问题
_______such heavy pollution already, it may now be too late to clean up the river.[ ]
A: Having suffered
B: Suffering
C: To suffer
D: Suffered
B: Suffering
C: To suffer
D: Suffered
正确答案是:
同类题型
It _________have rained last night, for the ground is wet.
cation was totally ruined Not onlywas the food terrible,the weather was awful_____
‘s wife doesn’t go to the party, ________.
Whenever he worked until midnight, he _____ drink some coffee to get refreshed.
Why didn’t you tell him about the meeting— He rushed out of the room _____ I could say a word.