Word forms- simple

If the (a)   continues, what will happen? ( pollute)

Floods and earthquakes are (a)   disasters ( nature).

These hills were formed by (a)   eruptions (volcano).

The little boy looks (a)   enough ( health).

She sings very (a)   (beautiful).

(a)   ,the Ao dai was frequently worn by both men and women. (tradition)

He is a very famous (a)   (music)

We (know) (a)   him since we were in secondary school.

You should (relax) (a)   after a hard-working day.

Nam (be) (a)   here three weeks ago.