1.Our modern civilizition must not be thought of as ____in a short priod of time.A.being created B.having been created答案是B,A错在哪里?这句话该怎么理解呢?
2.Iwas astonished to hear that the car cost 50000 yuan.这里为什么使用cost 呢,是什么用法?
3.We must seize every good opportunity once ut is given,or the loss can never be made up for.这里的made up for要怎么理解呢?
4.Iknow the sports meeting is to take place.这句话可不可以换成 I know the sports meeting is about to take place.为什么?
5.－Where have you put the recorder i can't see it anywhere.
－I put it right here .But now it's gone.前句中为什么用have you put提问,而后句中用put过去式 回答呢