A computer is so useful a machine___ we can use everywhere. [ ]A. that B. wh

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A computer is so useful a machine___ we can use everywhere.

[ ]

A. that
B. which
C. as
D. what

答案

举一反三

John thinks it won"t be long _____ he is ready for his new job.

[ ]

A. when
B. after
C. before
D. since

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The school rules state that no child shall be allowed out of the school during the day, _____ accompanied
by an adult.

[ ]

A. once
B. when
C. if
D. unless

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— Tom is a sunny man.
— Yeah. ______ he is poor, he looks happy.

[ ]

A. As if
B. In order that
C. Even if
D. So that

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There is a widespread belief among the science world ____ we keep on _____ the earth as we are doing today,
the exist ence of us humans on this planet will be out of the question in some years yet to come.[ ]
A. if; polluting
B. if; to pollute
C. that if; to pollute
D. that if; polluting

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It is partly ______ the summer day is longer that everything has a larger time to warm up.

[ ]

A. for
B. that
C. the reason
D. because

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