Question 1

For a long time they ... these calculations.

Accepted Answer

were performing

Answer

was performing

Answer

performs

Answer

have performed

Question 2

By the end of the week he ... the task.

Accepted Answer

will have solved

Answer

is solving

Answer

have been solving

Answer

will has solved

Question 3

We ... the moon because of mathematics.

Accepted Answer

reached

Answer

were reached

Answer

reaching

Answer

have reach

Question 4

The students ... already ... the task.

Accepted Answer

have... solved

Answer

has... solved

Answer

are... solved

Answer

are... solving

Question 5

Division ... exactly the same sign rules as multiplication.

Accepted Answer

obeys

Answer

has obey

Answer

is obey

Answer

obey

Question 6

He ... the operations in a long mathematical expression.

Accepted Answer

performs

Answer

performing

Answer

perform

Answer

has perform

Question 7

The number ... unchanged in absolute magnitude.

Accepted Answer

is left

Answer

has leave

Answer

are left

Answer

leave

Question 8

These signs ... two distinct purposes.

Accepted Answer

serve

Answer

has served

Answer

are served

Answer

serves

Question 9

The operation of addition or subtraction ... performed.

Accepted Answer

is

Answer

has

Answer

are

Answer

have

Question 10

Mathematics ... a vital factor in our rapid evolution as a society.

Accepted Answer

has been

Answer

have been

Answer

have

Answer

has to

Related quizzes

Related quizzes