By the time he _____ back last night, we
题型:选择题
问题:
By the time he _____ back last night, we had got 200 pictures of the Chang'e-3 lunar probe.
A.came
B.had come
C.was coming
D.would come
By the time he _____ back last night, we had got 200 pictures of the Chang'e-3 lunar probe.
A.came
B.had come
C.was coming
D.would come