16.Sandy could do nothing but _____ to his teacher that he was wrong.

　　A.admit B.to express C.admitting D.to admit

　　答案A 桑迪無事可做，除了向老師認(rèn)錯(cuò) 選A，句中的but不是連詞“但是”，而是介詞“除…之外”，當(dāng)前面有實(shí)義動(dòng)詞do的不同形式時(shí)，后面用but do sth.;否則，則要用but to do sth.結(jié)構(gòu)，故只能選A，“桑迪無事可做，除了向老師承認(rèn)他錯(cuò)了。”，再如：He could do nothing but stay at home. I have no choice but to study hard.

　　17.I'm going to the supermarket this afternoon.Do you have anything _____?

　　A)to be buying B)to buy C)for buying D)bought

　　答案B 我下午要去超市，你有什么東西要讓我買嗎?

　　18.She will tell us why she feels so strongly that each of us has a role _____ in making the earth a better place to live.

　　A)to have played B)to play C)to be played D)to be playing

　　答案 B 他將告訴我們?yōu)槭裁�，她�?huì)對(duì)我們每人所扮演的把地球打造的更適宜生存的角色有如此強(qiáng)烈的感覺。

　　19.In order to gain a bigger share in the international market, many state-run companier are striving _____ their products more competitive

　　A)to make B)making C)to have made D)having made

　　答案A 為了在國(guó)際市場(chǎng)中增加更多的市場(chǎng)，許多國(guó)有企業(yè)努力使他們的企業(yè)更具有競(jìng)爭(zhēng)力。

　　20.An army spokesman stressed that all the soldiers had been ordered _____ clear warning before firing any shots.

　　A)to issue B)being issued C)to have issued D)to be issued

　　答案A 一位軍隊(duì)發(fā)言人強(qiáng)調(diào)說，所有士兵沒被要求在開火射擊之前都要發(fā)出清晰的警告 to issue發(fā)放

　　21.As a commander you should not _____ the soldiers to unnecessary danger.

　　A)express B)explode C)exploit D)expose

　　答案：D)expose作為一個(gè)指揮官不應(yīng)該暴露士兵不必要的危險(xiǎn)。expose…to固定搭配

　　22. This newspaper often _____ the government‘s opinion, not the public opinion.

　　A)affects B)reacts C)reflects D)recognizes

　　答案：C)reflects這家報(bào)紙經(jīng)常反映政府的意見，而不是民意。

　　23.Although in great danger, the wounded still did not want to _____ from the front.

　　A)feedback B)backward C)withdraw D)departure

　　答案：C)withdraw雖然在巨大的危險(xiǎn)，傷員仍然不想從前線撤回。

　　24.This movie has a _____ ending. You can not imagine who will be killed finally.

　　A)dramatic B)original C)considerable D)temple

　　答案：A)dramatic這部電影有一個(gè)戲劇性的結(jié)局。你無法想象，誰最終會(huì)被殺死。

　　25.During the graduation _____, the president gave a wonderful opening speech.

　　A)evolution B)sign C)individual D)ceremony

　　答案：D)ceremony在畢業(yè)典禮上，主席發(fā)表了精彩的開幕詞。

　　26.The dog _____ the rabbit but could not catch it.

　　A)ceased B)chained C)checked D)chased

　　答案：D)chased狗追兔子，但不能抓住它

　　27.If your letter is over weight, you must pay for the _____.

　　A)excess B)exceed C)checked D)chased

　　答案：B excess如果你的信超重，你必須支付超出的部分。

　　28.In the class the teacher asked the students to _____ their bad habits.

　　A)weaken B)omit C)overcome D)overtake

　　答案：overcome在課堂上老師要求學(xué)生克服不良生活習(xí)慣。

　　29.When you study in the United States, usually you have to buy your own health _____.

　　A)insurance B)expense C)evidence D)payment

　　答案：insurance當(dāng)你在美國(guó)學(xué)習(xí)，通常你要自己買醫(yī)療保險(xiǎn)。

　　30.Chocolate and ice-cream have different _____.

　　A)favor B)favorites C)fever D)flavors

　　答案：flavors巧克力和冰淇淋的味道不同。