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？