—The air in Nanjing was much better during the Spring Festival because people were not allowed to let off firecrackers.
—I agree. Everyone should do what he can the environment.
A.protect | B.protecting |
C.protects | D.to protect |
Beijing a lot in the past ten years. Now it has become one of the biggest modern in the world.
A.changes; cities | B.changed; city |
C.has changed; cities | D.changed; cities |
---Let’s go fishing if it ________this weekend.
---But nobody knows if it ___________.
A.is fine; will rain | B.will be fine; rains |
C.is fine; rains | D.will be fine ;will rain |
I didn’t hear the phone because my father__________TV then.
A.is watching | B.was watching |
C.watched | D.watches |
She _________ some cards at this time yesterday.
A. is making B. was making C. were making
The story _____ three years ago.
A.started | B.took |
C.took place | D.began |