-Are you sure you have to?It's been very late.
-I don't know ____ I can do it if not now.
A.where
B.why
C.when
D.how
-Hello,Jack!Haven't seen you for a long time!
-John!____
A.How old are you?
B.How do you do?
C.How's that?
D.How time flies!
Can you lend me the book ____ the other day?
A.that you talked
B.you talked about it
C.which you talked to
D.you talked about
-You never told us why you were late for the meeting,____?
-____.I think it is not necessary to explain.
A.weren't you;No
B.did you;No
C.did you;Yes
D.didn't you;No
The doctor did what he could ____ the dying man.
A.save
B.to save
C.saved
D.saving
答得好有分,5题都好再给5分!