题目

what shall we do this weekend?
I have no idea.We _________ have a picnic outside the city.
A.could go to B.shall go to C.had better go to
Did you have any problems in Paris?
Yes,___________ Chinese food like rice,noodles and dumplings.
A.find B.found C.finding D.to find
This is non-smoking area.Haven't you seen the sign?
Sorry,I ______ it.
A.haven't seen B.didn't see
C.B 为什么？怎么没人回答呀？

提问时间：2020-08-07

答案

1.A could有可以的意思 shall是需做某事,不符合题目中句子的意思 C中的意思是最好去做某事也不对 .只有A是最符合句子要表达的意思.
2.D To find是表目的,你在巴黎遇到什么困难吗?是的,为了找到中国食物,比如大米,面条,饺子.其他选项无此意义.
3.B A是现在完成时,B是一般过去时,通过问题可知：这是无烟区,难道你没看到标志吗?对不起,我刚刚没看见.所以通过判断,只需要用一般过去时就可以了 .