.The students in the classroom ______ not to make so much noise.a. need   b. oug

.The students in the classroom ______ not to make so much noise.a. need   b. oug

题型:不详难度:来源:

.The students in the classroom ______ not to make so much noise.
a. need   b. ought    c. must    d. dare
答案
b
解析

举一反三

You ______ last week if you were really serious about your work.
a. ought to come   b. ought to be coming   c. ought have come    d. ought to have come
题型:不详难度:| 查看答案

The elephants ought ______ hours ago by the keepers.
a. to be fed   b. to feed    c. to being fed    d. to have been fed
题型:不详难度:| 查看答案

“I wonder why they’re late.” “They ______ the train.”
a. can have missed   b. could miss   c. may have missed    d. might miss
题型:不详难度:| 查看答案

You ______ the examination again since you had already passed it.
a. needn’t have taken  b. didn’t need to take   c. needn’t take   d. mustn’t take
题型:不详难度:| 查看答案

.He is really incompetent! The letter ______ yesterday.
a. should be finished typing    b. must be finished typing
c.must have finished typing    d. should have been finished typing
题型:不详难度:| 查看答案
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