Einstein was one of the greatest (science) (a)   .

We had a (wonder) (a)   time in Italy last summer.

He wouldn’t be ill if he (not smoke) (a)   a lot.

This house (build) (a)   in 2015.

The teacher said this water was (pure) (a)   and couldn't be used in our experiment.

Air (a)   (POLLUTE), together with littering, is causing many problems in our cities today.

Singapore is famous for its (a)   (CLEAN) and green trees.

The roof of the building (a)   (DAMAGE) in a storm a few days ago.

By the time we (a)   (GET) to the cinema, the film had started.

My mom uses (a)   (AGE) products everyday.

Many houses (DESTROY) (a)   in the hurricane last night in Nghe An.

Many houses (DESTROY) (a)   in the hurricane last night in Nghe An.

After I ( do)_______________ my homework,  I (go )_______________ to bed.

(a)  

If we (a)   a yacht, we would sail the seven seas. (have)