问题
In the past few years there _________great changes in my hometown.
A:have been
B:were
C:had been
D:are ;
B:were
C:had been
D:are ;
正确答案是：
同类题型
Would you mind helping me look after my baby for a while— ____________
Is Tom good _______ sports— Yes, he is. He is talented ______ music, too.
Cycling isn’t _________ climbing, but both of them are interesting.
34．John lost his job last year, but it wasn’t long ______ he found a new position in another company