Walking exercises ____ be boring at times, but on a clear sunny morning nothing

题型：甘肃省模拟题难度：来源：

Walking exercises ____ be boring at times, but on a clear sunny morning nothing could be better. [     ]
A. may
B. will
C. must
D. should

答案

举一反三

you read when the power is off ? It"s harmful to your eyes . [ ]
A. Can
B. Will
C. Must
D. May

题型：河北省模拟题难度：| 查看答案

There is a real possibility that these animals could be frightened, ________ a sudden loud noise. [      ]
A. being there
B. there being
C. should there be
D. there was

题型：江西省模拟题难度：| 查看答案

My sister met him at the Grand Theatre yesterdays afternoon, so he ________ your lecture.[ ]
A. couldn"t have attended
B. needn"t have attended
C. mustn"t have attended
D. shouldn"t have attended

题型：同步题难度：| 查看答案

As to the question of whether we will sell our house or who we shall sell the house to, you ________
have an answer by tomorrow.[     ]
A. will
B. shall
C. could
D. must

题型：同步题难度：| 查看答案

— There was a lot of fun at yesterday"s party. You ________ come. Why didn"t you?
— What a pity! But I had no time because I had lots of homework to do. [      ]
A. must have
B. should
C. need have
D. ought to have

题型：同步题难度：| 查看答案