问题

This is the reason _______ he was absent.
A:that
B:which
C:why
D:what
B:which
C:why
D:what
正确答案是:
同类题型
Everyone Obama meets seems to be _________ with his pat-on-the-back signature.
I hear you’ve bought a new house.–Yes, it costs too much, Anyway, it’s ___________ my old one.
1—You are nice in this dress.—____
So absorbed _______ in her work that she didn’trealize it was time that she picked up her daughter.