问题

During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.
A:to be built
B:being built
C:having been built
D:built
B:being built
C:having been built
D:built
正确答案是:
同类题型
Tom is _______ honest boy. His hobby is playing _______ violin.
I thought Jim would say something about his school report, but he_______ it.
I will leave for Shanghai _____.[ ]
There is _____ river at the foot of the mountain(山). _____ river is dangerous.
please turn off the TV. The baby _______.-OK. I’ll go out for a walk.