问题
Why does the river smell terrible —- Because large quantities of water______．
A:have been polluted;;;;;;;;;;
B:has polluted
C:has been polluted;;;;;;;;;;;;;
D:have polluted;
B:has polluted
C:has been polluted;;;;;;;;;;;;;
D:have polluted;
正确答案是：
同类题型
Our teacher was satisfied our homework．
It was _____ he came back from Africa that year _____ he met the girl he’d like to marry.
She has a lot of bad habits______.
一Tom, are you watching TV again(又在看电视）—No. I’m reading (阅读） a__________ .
Things of___kind come together; peopleof____kind fall into___same group.