He____know the answer, but I’m not sure.A. maybe    B. may be    C:may    D. mus

He____know the answer, but I’m not sure.A. maybe    B. may be    C:may    D. mus

题型:不详难度:来源:
He____know the answer, but I’m not sure.
A. maybe    B. may be    C:may    D. must
答案
C
解析

试题分析:句意:他可能知道这个答案,但是我不确定。根据后面的一句but I’m not sure可知应该用表示不肯定的情态动词may来表示;maybe 副词 意思是大概、或许may be 表示可能是……,后接名词、形容词may为情态动词,接动词原形;must为情态动词,意为“必须”,后面接动词原形;故选C。
举一反三
A man with a green bag walked into a doctor’s room. “Please sit down. Open your mouth and       your tongue(舌头),”the doctor said, “OK. You can       your mouth now. It’s clear something is       with you. You have to do more exercise.”
“But, doctor,” the man said. “I don’t think…”
“Don’t tell me what you     ,” the doctor said. “I am the doctor, not you. I know       you need. I see hundreds of people like you. None of them get any exercise. They       in offices all day and in front of the television in the       .What you need is to walk quickly for at least 30     a day.”
“Doctor, you don’t understand,” the man said. “I…”
“I don’t want to hear any        ” the doctor said. “You must find time for exercise. If you don’t, you will get       and have health problems when you are older.”
“But I walk every day.” the man said.
“Oh, yes, and I know what kind of walking that is. You     a few meters to the train station from your house, a few more meters from the station to your office, and a few more meters from your office to a       for lunch and back.”
“Please listen to me, doctor!” the man shouted, getting       .
“I’m a mailman.” the man continued, “I walk for seven hours every day and I come to        letters.”
For a moment, the doctor said nothing, and       he said slowly, “Put your tongue out again, will you?”
小题1:
A.put onB.put outC.put awayD.put off
小题2:
A.openB.closeC.fillD.try
小题3:
A.wrongB.strangeC.niceD.exciting
小题4:
A.discussB.talkC.thinkD.meet
小题5:
A.howB.whyC.whereD.what
小题6:
A.eatB.standC.runD.sit
小题7:
A.eveningB.afternoonC.noonD.morning
小题8:
A.secondsB.minutesC.hours D.days
小题9:
A.newsB.advicesC.excuses(借口)D.messages
小题10:
A.thinB.healthyC.fatD.strong
小题11:
A.walkB.driveC.runD.fly
小题12:
A.officeB.schoolC.restaurantD.factory
小题13:
A.sadB.excitedC.surprisedD.angry
小题14:
A.getB.sendC.bringD.have
小题15:
A.orB.soC.butD.then

题型:不详难度:| 查看答案
— Is Jim coming by train?  
— I’m not sure. He_____ drive his car.
A.mustB.needC.mayD.will

题型:不详难度:| 查看答案
—Can your friend sing?--______.
A.Yes,I canB.Yes, he canC.No,she canD.No,I can’t

题型:不详难度:| 查看答案
—____________you swim?   —Yes,but I’m not a good swimmer.
A.CanB.MayC.NeedD.Must

题型:不详难度:| 查看答案
---I broke the window.
---You___ play football near the window.
A.should         B. shouldn’t       C. had better   
题型:不详难度:| 查看答案
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