I am very worried because my son ________ most of his spare time ________ playin
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I am very worried because my son ________ most of his spare time ________ playing games on the computer.| A．concentrates；on | B．concentrates；in | | C．focuses；to | D．focuses；in |
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答案
| A |
解析
| 答案 A [concentrate...on...集中注意力干……相当于focus on。] |
举一反三
I"m glad he agreed ________ my advice .Finally，he and I agreed ________going there by bus.| A．taking；to | B．/；on | | C．to take；on | D．to take；with |
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| Peter took advantage________ his visit to Paris to improve his French. |
Since here it"s too hot for you，you may ________ go to work in a seaside city.| A．almost | B．as well | C．hardly | D．at all |
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Science and technology is changing fast nowadays. I bought this MP3 player at the beginning of this year but now it"s out of ________.| A．date | B．order | C．use | D．sight |
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It"s said that there"re millions of camels in India and ________ of them is still increasing.| A．the number | B．the amount | | C．the quantity | D．a number |
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