问题

______the house was startedbefore she went to Africa and now it is still under construction
A:Why
B:When
C:What
D:Where
B:When
C:What
D:Where
正确答案是:
同类题型
He is the only one of the students who _____elected.
We_______onthis project for four hours. Let’s have a rest.
The new government ________ the foreign-owned fields one after another.
My sister met him at the cinema yesterday afternoon, so heyour lecture.
Not that I’m unwilling to lend you a hand, I’m too busy for the moment.