摘要： A computer think for itself; it must be told what to do. can’t can’t 18. You must be a writer, you? aren’t 19.You must have seen him last night. you? didn’t
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A computer _____ think for itself, it must be told what to do.
A. can’t B. couldn’t C. may not D. might not
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A computer____think for itself; it must be told what to do.
[ ]
A. can't
B. couldn't
C. may not
D. might not
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B. couldn't
C. may not
D. might not
A computer _____ think for itself; it must be told what to do.
A. can’t B. wouldn’t C. mustn’t D. may not
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