把每题答案写在下面,用大写字母 (1) I don’t know ___________or not. A. whether he is at home B.he is at home C. that he is at home D. whether is he at home (2) This depends on _________ the weather is fine. A. which B. whether C. if D. that (3) The teacher asked the new student ________ class he was in. A. which B. where C. if D. that (4) I don’t know ________ Mr. Green will come to see us. He’ll help us with our English. A. why B. when C. that D. where (5) --- Be careful! Don’t break the bottles. Do you hear ______ I said? David? --- Yes, Mum A. what B. that C. why D. if (6) --- Do you know _______ Mr Black’s address is? --- He may live at NO.18 or No. 19 of Bridge Street. I’m not sure of ______. A. where, which B. where, what C. what, which D. what, where (7) There is not much difference between the two. I really don’t know _____. A. what should I choose B. which I should choose C. which should I choose D. what I should choose