当妈妈问你某件事情,你不知道,你应该怎么说:A.I don’t know. B.Don’t ask me. C.No,I’m not.
Whose sweaters are these ? _______, I think .
The students are playing __________.
Daming and Simon ____ to a baseball game in America.
He _____ little about the film until he _____ it yesterday evening .
China sent Yang Liwei _____ space in 2003.