问题
选择题
Several days later, most of the buildings ________ were repaired.
A.been damaged
B.had been damaged
C.which been damaged
D.which had been damaged
答案
答案:D
Several days later, most of the buildings ________ were repaired.
A.been damaged
B.had been damaged
C.which been damaged
D.which had been damaged
答案:D