17-22) Use the correct form of the words in parentheses:
17/ Mrs. Smith has
18/ There is a
19/ Drug
20/ How can we do to keep the environment
21/
provided a picnic lunch for us. ( kind)
faucet in your kitchen. (drip)
led to his early death. ( depend)
(pollute)
the Ao dai was frequently worn by both men and women. ( tradition)
the Ao dai by printing lines of poetry on it.. (modern)
22/ Some designers