问题

She searched all the places where she _____ haveleft her necklace but it was all in vain
A:was
B:were
C:are
D:being
B:were
C:are
D:being
正确答案是:
同类题型
The exam starts at9:00 tomorrow morning.—___________ I failto arrive there on time
Sam_______ some knowledge of the computer just by watching others working on it..
They had their bad times but on the whole they were ______ happy [ ]
Though Mike is _________ boy, he can say many words.—How clever!
______ you must do is to choose a scene _______ will best show your acting talent.