The earth gets ________ every day, so we should stop ________.
A. polluted, pollution
B. pollution, polluted
C. pollute, pollution
Can you tell me _______ the meeting tomorrow?
A. when we had
B. when we will have
C. when will we have
The Spring Festival this year falls February 19th, 2015.
A. onB. inC. at
If youoften, it will be good for your health.
A. walkB. will walkC. are walking
Hurry up! Everyone for you.
A. has waitedB. is waitingC. waits
Ice Age Ⅱ is a very nice film and I _______ it twice.
A. seeB. would seeC. have seen