----You didn’t wait for Mr. Smith last night, did you? -----Yes, but we           . He didn’t return home at all.
#87122
A
don’t have to
B
didn’t need to
C
needn’t have
D
should have
推荐题目
 When he saw all his books _____ here and there on the floor, he knew that something terrible _____. 
#88903
A
lying; must have happened
B
lie; must happen
C
lay; might have happened
D
had lain; could have happen
Sarah, it is high time that you_______; or you won’t have time to______ before the party.
#90030
A
got up; get changed
B
get up; get changed
C
will get up; get changing
D
should get up; get to change