Their answers are exactly the same — one
题型:选择题
问题:
Their answers are exactly the same — one of them ______ from the other.
A.must copy
B.must have copied
C.should copy
D.should have copied
Their answers are exactly the same — one of them ______ from the other.
A.must copy
B.must have copied
C.should copy
D.should have copied