If he ______ it, he _______ it. A.had se
题型:选择题
问题:
If he ______ it, he _______ it.
A.had seen; could have believed
B.saw; couldn’t believe
C.saw; couldn’t have believed
D.has seen; had believed
If he ______ it, he _______ it.
A.had seen; could have believed
B.saw; couldn’t believe
C.saw; couldn’t have believed
D.has seen; had believed