Question 1

make a

Accepted Answer

discovery

Question 2

make

Accepted Answer

sure

Question 3

make a

Accepted Answer

difference

Question 4

make a

Accepted Answer

mistake

Question 5

make up your

Accepted Answer

mind

Question 6

make

Accepted Answer

friends

Question 7

make a

Accepted Answer

decision

Question 8

make an

Accepted Answer

appointment

Question 9

Some discoveries ______________by chance.  For example, Fleming found penicillin after a failed experiment.

Accepted Answer

are made

Question 10

The invention of the lightbulb ________________ a huge difference to our lifestyles.

Accepted Answer

has made

Question 11

I ___________________a big mistake.  My physics exam isn't tomorrow - it's today!

Accepted Answer

have made

Question 12

Before you start the experiment, please __________________that you follow all of the safety instructions.

Accepted Answer

make sure

Question 13

I can't _______________if the most important invention is gunpowder or paper.

Accepted Answer

make up my mind

Question 14

I ________________with Paul when I met him at university.

Accepted Answer

made friends

Question 15

It is difficult to ____________________ when you are tired.

Accepted Answer

make a good decision

Answer

make a mistake

Answer

make an appointment

Answer

make friends

Question 16

If you want to see the doctor, please _______________________.

Accepted Answer

make an appointment

Question 17

Gunpowder was first made in China.

Accepted Answer

produce

Answer

force

Answer

cause

Question 18

My professor made me rewrite my assignment because there were too many mistakes.

Accepted Answer

force

Answer

cause

Answer

produce

Question 19

Email makes it easy for people to stay in touch.

Accepted Answer

cause

Answer

produce

Answer

force

Question 20

Modern ebooks are not made from paper.

Accepted Answer

produce

Answer

force

Answer

cause

Question 21

The new discovery make a lot of people very happy.

Accepted Answer

cause

Answer

produce

Answer

force

Question 22

I made myself stay up late and finish the work.

Accepted Answer

force

Answer

cause

Answer

produce

Question 23

We use the passive voice verb form when we focus on what happened to something, not on who did something.

Accepted Answer

true

Answer

false

Question 24

The passive voice verb structure is BE + PAST PARTICIPLE; example, IS DONE/ARE DONE/WAS WERE DONE, etc.

Accepted Answer

true

Answer

false

Question 25

The law of gravity _________________ (discover) by Isaac Newton in the 17th century.

Accepted Answer

was discovered

Question 26

The first computer chip _______________  (invent) in the 1950s.

Accepted Answer

was invented

Question 27

The first smartphone ___________________ (create) after 1997.

Accepted Answer

was created

Question 28

Penicillin _________________ (first produce) in 1928 by Alexander Fleming.

Accepted Answer

was first produced

Question 29

Paper _________________(discover) in ancient China.

Accepted Answer

was discovered

Question 30

The telephone __________________ (invent) in 1876.

Accepted Answer

was invented

Question 31

Imhotep, an Egyptian architect ____________(design) the Pyramid of Djoser.

Accepted Answer

designed

Question 32

The game of chess __________________ (bring) to Europe from Persia.

Accepted Answer

was brought

Question 33

This letter ____________ (write) with ink.

Accepted Answer

was written

Question 34

A very early calculator _________________(create) by Blaise Pascal.

Accepted Answer

was created

Question 35

Millions of people ________________(download) smartphone apps every day.

Accepted Answer

download

Question 36

The pictures ___________________(send) by email yesterday.

Accepted Answer

were sent

Question 37

The first photograph _______________(take) in 1826.

Accepted Answer

was taken

Question 38

Edison ________________(develop) his first light bulb in 1879.

Accepted Answer

developed

Question 39

Sarah read that book last week.

Accepted Answer

active voice (we know that Sarah did the action)

Answer

passive voice (we know what action was done but not who did it)

Question 40

That book was read last week.

Accepted Answer

passive voice (we know what action was done but not who did it)

Answer

active voice (we know that Sarah did the action

Question 41

Edison developed his first light bulb in 1879.

Accepted Answer

active

Answer

passive

Question 42

The first photograph was taken in 1826.

Accepted Answer

passive

Answer

active

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