—Did Jim come?—I don’t know. He _______ while I was out.
#89860
A
might have come
B
might come
C
mush have come
D
should have come
推荐题目
Thank you for all your hard work last week.I don’t think we ______ it without you. 
#90551
A
can manage
B
could have managed
C
could managed
D
can have managed
— Why! I _____ get you on the phone. — We ______ basketball on the playground when you phoned. 
#89278
A
didn't; must be playing
B
couldn't; must be playing
C
couldn't; must have played
D
didn't; must have been playing