问题

They peasants did what they____ the crops, but failed.
A:could save
B:could saving
C:could to save
D:could saved
B:could saving
C:could to save
D:could saved
正确答案是:
同类题型
The question is _____ we can finish our work _____ tomorrow evening. [ ]
There ______ a basketball match between Class One and Class Three this afternoon.
Look! The man _____ the black car is my son’s teacher. [ ]
Where is your mother, Rita? –___________________.
It’s half past four. School is over. The children___ games happily on the playground.