【2012贵州毕节】—Were you at home at 9:00 last night? I called you but nobody answered.—Sorry,I ______ at that time.
What time do you expect her________?
Elephants eat________, but they can move _______when necessary.
—What do you think of Liu Huan?—Oh, he is my favourite singer. I think no one can sing________.
—Have you decided where to go for your summer vacation?—Not yet. We _________go to Qingdao. It is a good place for vacation.
—Would you like to go for a walk with me, Allen?—I'd love to, ________you don't want to go alone.