问题

MrSmith would have come to see you if it had been possible, but he __________ so busy

A:was
B:had been
C:has been
D:were

正确答案是：

同类题型

I don’t like the ________trip, Mary .What about you—I’m also ________ with it .

下列各组词语中有错别字的一组是(　　)

Boys like playing _______ basketball after school.

What is the newcomer like—His manner istooffend everyone he has met

Our school is not far from the _______ / pɑ:k /