Đề 3(Thầy Tuấn Anh)

The wonderful diversity of our region's wildlife is now coming under threat

• variety

• direction

• sacrifice

• friendliness

New particles are formed in the polluted air of major cities.

• contaminated

• disappeared

• purified

• endangered

A/ an ________ species is a population of an organism which is at risk of becoming extinct.

• dangerous

• endanger

• endangered

• endangerment

Our sources of energy will soon be __________ if we don't save them.

• exhaust

• exhausted

• exhaustedly

• exhaustion

It is high time we had to ________ some measures to protect endangered animals.

• take

• bring

• hold

• use

Clearing forests for timber has led ________ the loss of biodiversity

• with

• at

• to

• for

He________ more concerned about his social status since he ________ working there.

• has become/ started

• become/ has started

• became / started

• became/ started

I________ the report 5 minutes ago.

• has completed

• completed

• have completed

• complete

Martina's mother has been her coach________ many years.

• since

• for

• in

• ago

Water park is free for kids under 6 years old, so you ____ pay money for your son.

• have to

• mustn't

• should

• don't have to