[21] I don’t think _____ possible to master a foreign language without much memory work.

　　A. this 　 B. that

　　C. its 　 D. it

　　[答案] D。 6123結(jié)構(gòu)，參見本站相關(guān)內(nèi)容。

　　[22] In front of her was Professor A, _____ of the physics department in the State Unviersity.

　　A. a head 　 B. one head

　　C. head 　 D. an head

　　[答案] C。 系主任只有一個，不加冠詞。

　　[23] The American friend is staying at a hotel. Let’s go and _____ the hotel.

　　A. call on 　 B. call for

　　C. call up 　 D. call at

　　[答案] D。 call on拜訪某人(賓語是人);call for 需要;call up打電話; call at拜訪某人(賓語是地點(diǎn))。

　　[24] ----- Would you like to join us in the travel? -----________.

　　A. I hope 　 B. I hope it

　　C. I hope to 　 D. I hope to join

　　[答案] C。 當(dāng)不定式作hope的賓語，可以直接用to代替。

　　[25] When the boss asked her to leave the company, she became _____.

　　A. a cross 　 B. cross

　　C. across 　 D. crossing

　　[答案] B。 cross可以是形容詞，"生氣，惱怒"的意思。

　　[26] He was very ill, but he refused _____ his work.

　　A. leaving 　 B. him

　　C. that he left 　 D. to leave

　　[答案] D。 refuse 后面跟不定式作賓語。

　　[27] I’ve never thought _____ going to the United States.

　　A. over 　 B. for

　　C. of 　 D. /

　　[答案] C。 think of 想到;think over 后面不接動名詞;think不和for連用。

　　[28] There are some _____ assistants in that _____ shop.

　　A. woman; shoe 　 B. women; shoe

　　C. women; shoes 　 D. woman; shoes

　　[答案] B。 名詞作定語一般用單數(shù);但有man和woman作定語，都得用復(fù)數(shù)。

　　[29] The first textbooks written for teaching English as a foreign language ______ in the 16th century.

　　A. came out 　 B. came about

　　C. came across 　 D. came round

　　[答案] A。 come out出版; come about 發(fā)生;come across 偶然碰見;came round繞道而行。

　　[30] My brother _____ while he _____ his bike and hurt himself.

　　A. fell; was riding 　 B. was breaking; was playing

　　C. broke; wa playing 　 D. was playing; broke

　　[答案] A。 fall是瞬間動詞，while引導(dǎo)的從句一般是進(jìn)行時態(tài)。

　　[31] Lying in bed, we listened to the heavy rain ______ the window.

　　A. hitting 　 B. knocking

　　C. beating 　 D. striking

　　[答案] C。 hit 打一下，擊中;knock 敲，叩;beat連續(xù)不斷的敲打; strike突然性的一次打擊。

　　[32] Be sure to write to us, ______?

　　A. will you 　 B. aren’t you

　　C. can you 　 D. mustn’t you

　　[答案] A。 祈使句的反意疑問句，要用will you。

　　[33] Such a problem is _____ difficult for a primary school student _____.

　　A. so; to work 　 B. very too; to work out

　　C. rather too; to work out 　 D. quite too; to answer

　　[答案] C。 該句含有一個too…to… 結(jié)構(gòu)，very不能修飾這個結(jié)構(gòu); work out算出，計(jì)算出;制定出。

　　[34] _____ about the history of that part because there is not enough written information.

　　A. Much knows 　 B. much is known

　　C. People knows a little　　　 D. Little is known

　　[答案] D。 little位于句首，主句要部分倒裝。

　　[35] He _____ his leg when he _____ in a football match against another school.

　　A. broke; played 　 B. was breaking; was playing

　　C. broke; was playing 　 D. was playing; broke

　　[答案] C。 當(dāng)主句的謂語動詞是瞬間動詞，時間狀語從句中一般是進(jìn)行時態(tài)。