They prefer________at the party rather than ________.
A.singing , dance B.singing , dancing C.to sing , to dance D.to sing , dance
The book ________ you are reading is mine?
A.what B.which C.in which D.where
________careful you are , ________mistakes you will make.
A.Less; more B.The more; the fewer
C.The less; the fewer D.The more; the less
—I think the girl under the tree must be Alice.
—No, it ________be her. She is in the library now.
A.can't B.mustn't C.may D.may not
I________my key at home.
A.forgot B.left C.lost D.missed
—Mr. Li has never been to Canada, has he?
—________.He went there on business last week.
A.No, he hasn’t. B.Yes, he has. C.No, he has. D.Yes, he hasn’t.
