1.________ that he isn't adequate to the present job, he devotes all his spare time to studying professional skills.

　　A.To concern B.Concerning

　　C.Having concerned D.Concerned

　　[解析]句子的主語為 he，故用 concerned 擔憂的，關(guān)心的。

　　[答案]D

　　2.________ untidily and ________ in a strange way, my brother must have appeared to the people ________ to be a silly boy.

　　A.Dressed; spoken; presents

　　B.Dressing; speaking; present

　　C.Dressed; speaking; present

　　D.Dressing; speaking; be present

　　[解析]dressed untidily 衣冠不整，表示狀態(tài)，在句中作狀語;句子的主語 my brother 與 speak 之間為主動關(guān)系，故第二空用現(xiàn)在分詞作狀語;present 作后置定語，表示“在場的”。

　　[答案]C

　　3.As a journalist, you should first decided what events ________ before you make some interviews, thus ________ unnecessary trouble.

　　A.to report; avoiding B.to be reported; avoiding

　　C.reported; to avoid D.to report; avoided

　　[解析]第一空為特殊疑問詞+不定式;第二空為現(xiàn)在分詞作結(jié)果狀語，表示自然而然的結(jié)果。

　　[答案]A

　　4.Don't bother me. I am listening to the birds ________.

　　A.singing B.sing

　　C.to sing D.sung

　　[解析]listen to sb. doing sth. 聽某人在做某事。

　　[答案]A

　　5.His girlfriend wore a______ smile when seeing the nice dress she wanted.

　　A.satisfied B.satisfying

　　C.being satisfied D.satisfy

　　[解析]修飾人的表情，聲音，微笑應(yīng)用 ­ed 形式的形容詞。wear a satisfied smile 面帶滿意的微笑。

　　[答案]A

　　6. Our school forbids ________， that is to say, we are not allowed ________ at school.

　　A.to smoke; to smoke B.smoking; smoking

　　C.to smoke; smoking D.smoking; to smoke

　　[解析]forbid doing sth. 禁止做某事;be allowed to do 被允許做某事。

　　[答案]D

　　7.This soup is cold; it needs ________.

　　A. to heat B. to be heated

　　C. being heated D. heated

　　[解析]句意：這湯涼了，需要加熱。need 后可接不定式作賓語;又因為 this soup 與 heat 之間為動賓關(guān)系，故用不定式的被動語態(tài)作賓語。

　　[答案]B

　　8.________ to our dream universities, we should devote all our time to our lessons.

　　A. To be admitted B. Admitted

　　C. Admitting D. To admit

　　[解析]句意：要想被我們理想的大學錄取，我們必須把全部的時間投入到功課上。由語境分析，此處應(yīng)用不定式作目的狀語;又因為主語 we 與 admit 之間為動賓關(guān)系，故用不定式的被動形式作目的狀語，故A項正確。

　　[答案]A

　　9.The government has taken measures ________ air quality.

　　A. to improve B. improved

　　C. being improved D. to be improved

　　[解析]句意：政府已經(jīng)采取措施來改善空氣質(zhì)量。take measures to do sth.“采取措施干某事”;不定式作目的狀語。

　　[答案]A

　　10.________ Joseph off at the airport, Sally finished her work earlier.

　　A. Having seen B. Seen

　　C. To see D. To be seen

　　[解析]句意：為了去機場給 Joseph 送行，Sally 早早地完成了工作。由句意可知，此處是動詞不定式作目的狀語。主語 Sally 與see 之間為主謂關(guān)系，故C項正確。

　　[答案]C

　　11._______ the theory, the scientists asked more than sixty college students to take part in the experiment.

　　A. Being tested B. To test

　　C. Testing D. Tested

　　[解析]句意：為了檢驗該理論，科學家們請了60多個大學生參加了試驗。由語境可知，此處為動詞不定式作目的狀語，故B項正確。

　　[答案]B

　　12.Mr Huang told us to spend as much time as possible ________ our English studies.

　　A. to improve B. improved

　　C. improving D. on improving

　　[解析]句意：黃老師叫我們花盡可能多的時間來改進英語學習。由語境可知，此處為動詞不定式作目的狀語。我們多花時間的目的是為了改進英語學習，故A項正確。

　　[答案]A

　　13.For nearly three hours we waited for the decision, only ________ to come again the next day.

　　A. to tell B. telling

　　C. to be told D. being told

　　[解析]句意：我們等決定等了接近3個小時，卻被告知第二天再來。由語境可知，此處表示的是出乎意料的結(jié)果，故應(yīng)用不定式作結(jié)果狀語;主語 we 與 tell 之間為動賓關(guān)系，故用不定式的被動形式作結(jié)果狀語，C項正確。

　　[答案]C

　　14. In the morning you can get up only ________ all your equipment buried and you've got to dig it out.

　　A. to be found B. found

　　C. to find D. finding

　　[解析]句意：早晨你醒來，卻發(fā)現(xiàn)你所有的設(shè)備被埋了，你不得不把它挖出來。由語境可知，此處發(fā)現(xiàn)設(shè)備被埋應(yīng)是出乎意料的結(jié)果，故用動詞不定式作結(jié)果狀語;主語 you 與 find 之間為主謂關(guān)系，故應(yīng)用不定式的主動形式，C項正確。

　　[答案]C

　　15.Some people try to knock me down, only ________ me more determined to do better.

　　A. to make B. makes

　　C. having made D. made

　　[解析]句意：有些人想把我打垮，卻只會使我更下定決心把事情做得更好。分析語境可知，此處是有些人(some people)沒有想到的結(jié)果，故用不定式作結(jié)果狀語，A項正確。

　　[答案]A