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题目
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It is believed that forest bathing ______ strengthen the immune system.
A.shouldB.mustC.needD.can

答案
D
解析
考查情态动词。A应该;B必须;C需要;D能够,可能;句意:人们认为深林浴能加强免疫系统。
核心考点
试题【It is believed that forest bathing ______ strengthen the immune system.A.shouldB】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三
The pills       him.If only he had taken them regularly.
A.could helpB.may help
C.must have helpedD.might have helped

题型:不详难度:| 查看答案
But for their help, we ______ the program in time.
A.can not finishB.will not finish
C.had not finishedD.could not have finished

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Our monitor requested that ________.
A.all the class studied more carefully the problem
B.the problem was more carefully studied
C.with great care the problem could be studied
D.all the class study the problem more carefully

题型:不详难度:| 查看答案
—Where is my dictionary? I remember I put it here yesterday.
—You ______ it in the wrong place.
A.must putB.should have putC.might putD.must have put

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–My sister hasn’t received any reply from the company yet, so she wants to give up.
-- My advice is that she _____ till next week.
A.has been waitingB.waitsC.waitD.will wait

题型:不详难度:| 查看答案
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