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

 

題目列表(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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