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更新 2022-09-03
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. The production of television commercials must be professional ________ they aim at promoting good service, or public education.

A．when

B．no matter

C．if

D．whether

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_____ the dull story, he left the hall without ____ anyone .

A．Tired of …to tell	B．Tired from…telling
C．Tired from…to tell	D．Tired of …. telling

题型：未知
难度：未知

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No one was permitted ______ the empty house without his permission.

A．entering

B．to enter

C．entering into

D．to enter into

题型：未知
难度：未知

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---- What did your parents think about your decision?
----They always let me doI think I should.

A．when

B．that

C．how

D．what

题型：未知
难度：未知

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The weather turned out to be fine yesterday. Ithe trouble to carry my umbrella with me.
A should have taken B could have taken C needn’t have taken D mustn’t have taken

题型：未知
难度：未知

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----David hasn’t come yet.
----I think he will soon, for he means what he says.

A．turn on

B．turn off

C．turn down

D．turn up

题型：未知
难度：未知

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