问题

It was three years_______ he came back
A:that
B:since
C:before
D:when
B:since
C:before
D:when
正确答案是:
同类题型
to heavy traffic jams, many people would like to choose the train ______ driving.
Did your football team win yesterday? — No It was a good game, _____ []
it Ann’s husband over there—- No, it ______ be him—I’m sure he doesn’t wearglasses
Can I help you with it— Thank you for your ______, but I can do it myself.