Great efforts to increase grain production _____ if food shortages are to be avo

题型：0105 模拟题难度：来源：

Great efforts to increase grain production _____ if food shortages are to be avoided. [ ]

A. could be made
B. must be made
C. might be made
D. would be made

答案

举一反三

— Is there a flight to Paris this evening?
— There ______ be. I"ll phone the airport and find it out. [ ]
A. must
B. will
C. might
D. can

题型：贵州省模拟题难度：| 查看答案

Someone is knocking at the door, who _____ it be?
It _____ be Danny. He"s in hospital for some time. [ ]
A. must, can"t
B. can, can"t
C. can, mustn"t
D. must, mustn"t

题型：河北省模拟题难度：| 查看答案

— Excise me, but I haven"t got the iPhone 4 ordered through the Internet.
— Sorry, madam, I"m sure you ____ have it by this Friday.[ ]
A. must
B. may
C. could
D. shall

题型：河南省模拟题难度：| 查看答案

This mobile phone is of good quality. If it ______ break down within the first year, we would repair it
at our expense. [ ]
A. would
B. should
C. could
D. might

题型：模拟题难度：| 查看答案

Thanks to the immediate rescue, the two boys who had fallen into the river _____ climb onto the bank. [ ]
A. were able to
B. could
C. would
D. should

题型：模拟题难度：| 查看答案