49.A.knows B.to know C.know D.knew 【查看更多】

 

题目列表(包括答案和解析)

Every boy and girl ________ it.

[  ]

A.know

B.knows

C.knew

D.to know

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If she        the answer to the question, she would tell you.

A.knows           B.will know          C.have known          D.knew

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You need ________ about some table manners.

[  ]

A.know

B.knew

C.knows

D.to know

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Tom seems ______what he is doing.

A.to know    B.knows    C.knowing   D.knew

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The manager, like all his technicians, ________ how to operate the machine.

[  ]

A.knew  B.know  C.knows  D.will know

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