问题

The city ____ by an army of 600 men was difficult to take [ ]
A: defending
B: having been defended
C: having defended
D: defended
B: having been defended
C: having defended
D: defended
正确答案是:
同类题型
Mrs. Miller can’t forget thatterrible accident it happened so longago.
I think we should learn English words by ________English songs.
Is he your brother-No, _________.
______ the steep mountains,he had no difficulty reaching the top[ ]
to what you think is right, ________ you willgain a surprising happy ending.