精英家教网 > 初中英语 > 题目详情
A computer ______ think for itself. It’s always told to do things.
A. mustn’t        B. can’t           C. shouldn’t
B
因为mustn’t 意为“不允许,禁止”; can’t意为“不可能”; shouldn’t意为“不应该”。此处句子强调的是:电脑不能够自己思考,只能服从人类的指令。所以B合适。
练习册系列答案
相关习题

科目:初中英语 来源:不详 题型:单选题

Jack     his pet dog every day. The dog must feel sad when he’s alone all day long.
A.should walkingB.should to walkC.had better walkD.had better to walk

查看答案和解析>>

科目:初中英语 来源:不详 题型:单选题

–Look! The boy is running fast! –He might ______ to catch a bus.
A.runB.runningC.is runningD.be running

查看答案和解析>>

科目:初中英语 来源:不详 题型:单选题

  --- Whose hair band is this ?  ________ it be Kate’s ?
--- I’m not sure . It ________ be hers.
A.May ; mustB.Must ; mayC.Can ; mustD.Can ; may

查看答案和解析>>

科目:初中英语 来源:不详 题型:单选题

—Isn’t that Ann’s husband over there?
---No, it _______be him. I’m sure he doesn’t wear glasses.
A.can’tB.mustn’tC.won’t beD.may not

查看答案和解析>>

科目:初中英语 来源:不详 题型:单选题

You look too tired. You        have a good rest.
A、should                   B、shouldn’t               C、can

查看答案和解析>>

科目:初中英语 来源:不详 题型:单选题

—Look at the young lady in red. Is it Mrs. King?
—No, It ________ be her. She is wearing a white dress today.
A.canB.mayC.mustD.can’t

查看答案和解析>>

科目:初中英语 来源:不详 题型:单选题

—Do you want to play basketball after school, Jack?
   . I have to practice my English.
A.Yes, I do B.Let’s goC.Sounds greatD.Sorry, I’m busy

查看答案和解析>>

科目:初中英语 来源:不详 题型:单选题

—Mr. Wang, must I come again to clean the window on Sunday morning?
—No, you _____ . I have asked others to do it.
A.don’t have toB.mustn’tC.can’tD.shouldn’t

查看答案和解析>>

同步练习册答案