(1) I dont know ___________or not.
A. whether he is at home B. if 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 dont know ________ Mr. Green will come to see us. Hell help us with our English.
A. why B. when C. how D. where
(5) --- Be careful! Dont break the bottles. Do you hear ______ I said? David?
--- Yes, Mum
A. what B. that C. why D. if
(6) --- Do you know _______ Mr Blacks address is?
--- He may live at NO.18 or No. 19 of Bridge Street. Im 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 dont know _____.
A. what should I choose B. which I should choose
C. which should I choose D. what I should choose
