On 12th April, 1961, Yuri Gagarin lifted_______into space aboard the Vostok 1

Human beings are _______for the changes in the environment.

Nobody cheated in the exam,_______?

The Vietnamese participants_______in the Asian Games with great enthusiasm.

Neil Armstrong became the first human to step_______the moon’s surface.

The Great Pyramid is believed_______over a 20-year period.

The bus was full. We_______find a seat anywhere.

The women with _______he fell in love left him after a few weeks.

Ian has got a brother _______in a bank in London and a sister_______economics at university in Manchester.

Messenger Call Service helps you to notify the _______ of the time and place to receive the call.

_______has never been his strong point.

He was advised to reduce his alcohol _______

You cannot grow crops on _______land.

Thousands of national parks all over the world have been established to protect _______animals.

Uncle Ho, ________.all Vietnamese people have admiration, led a very simple life.

Solar energy can be changed ________electricity.

Non-renewable energy sources are running ________.

People on earth are ________ need of more nuclear energy.

If you want to send a document and do not want to lose its original shape, our ________ service will help you.

People are destroying the air by adding ________.to it.