We suggest a trial period of one year. If everything () satisfactory, we can renew the agreement on its expiry.
A、turns down
B、turns in
C、turns out
D、turns on
第1题：
The problem is so serious that the situation is out of control.
A.We’ve got to set up a police line and ask for aid
B.We’ve got to ask for back-up from the PLA and police
C.We’ve got to report to the superiors rapidly and ask for back-up
D.We have informed the authorities to take precautionary measures.
第2题：
If it rains tomorrow, we () for a picnic.
A. wouldn't go out
B. can't go out
C. won't go out
第3题：
----Let’s go to the West Hill Park by taxi.
---- Oh, it is not far away from here. We _______take a taxi.
A. couldn’t B. mustn’t C. needn’t D. can’t
第4题：
A、We ; us
B、Us ; we
C、We ; our
D、We ; we
第5题：
A. must have
B. can’t have
C. should have
D. needn’t have
答案：D
解析：根据题意选D。
本句意思：我们应该已经预订过了。看，这家餐厅几乎空无一人。
must have意思为：“必须已经”；can’t have“不能”；should have意思为：“应该已经”；needn’t have意思为：“不必”，
第6题：
A、wouldn't go to
B、can't go
C、won't go
第7题：
If it rains tomorrow, we()out for a picnic.
A. wouldn't go
B. can't go
C. won't go
第8题：
我们从特供商场购买食品，并加强对所购食品的检查
A.We’ll buy all the food from supermarket and check all the food we buy carefully
B.We’ll buy all the food from foreign countries and check all the food we buy carefully
C.We’ll import all the food and check all the food we buy carefully
D.We’ll buy all the food from exclusive shops and check all the food we buy carefully
第9题：
A. wouldn’t go out
B. can’t go out
C. won’t go out (will not)
第10题：
27．If we travel by car ,we_________．
A． can't travel fifty or one hundred miles a day
B． can-t stop at a hotel to spend the night
C． can make our own timetable '
D． can travel to a very far place in several minutes