In order to find the missing child, the
题型:选择题
问题:
In order to find the missing child, the villagers___________ all they can in the past five hours.
A.have been doing
B.did
C.do
D.had done
In order to find the missing child, the villagers___________ all they can in the past five hours.
A.have been doing
B.did
C.do
D.had done