It’s hard to rescue drowning people because they ________ so much. A．sinkB．swimC

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It’s hard to rescue drowning people because they ________ so much.

A．sink

B．swim

C．jump

D．struggle

答案

解析

由句意和常识推知。

举一反三

In recent years much more emphasis has been put______ developing the students productive skills.

A．onto

B．in

C．over

D．on

题型：不详难度：| 查看答案

Everyone hopes that we can do something to make things better, so we can"t help ______ under the stress.

A．but working

B．but to work

C．work

D．but work

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This robot is supposed to save a lot of labor, but it remains a problem if it ______.

A．is

B．saves

C．does

D．has

题型：不详难度：| 查看答案

She was just about to explain ___ she hadn"t passed her maths test chiefly out of carelessness ___ her uncle came.

A．her mother … when	B．to her mother why … that
C．her mother that … when	D．to her mother that … when

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"Will you be able to finish the job this week?" " ___ ."

A．I can"t say it	B．I don"t know that
C．I"m not sure this	D．I don"t expect so

题型：不详难度：| 查看答案