选择题：Once environmental damage ___________, it takes ma

题目内容：

Once environmental damage ___________, it takes many years for the system to recover.
A. is to do B. does C. had done D. is done

参考答案：

Since he doesn.t want to accept your advice, it is

Since he doesn.t want to accept your advice, it is no use _______to him again. A

分类：统考英语题型：选择题

They got there an hour __________ than the others.A. earlyB. much earlyC.

分类：统考英语题型：选择题

智力技能形成的最初阶段是（）。A 物质活动与物质化活动B 活动定向C 有声的外部言语D 无声的外部言语

分类：统考英语题型：选择题

分类：统考英语题型：选择题

If I had a bike, I ______ it to you yesterday.A. would have lentB. would lend

分类：统考英语题型：选择题