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

[译文] 我弟弟骑自行车时摔了下来，伤了他自己。

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

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

[答案及简析] A。 fall是瞬间动词，while引导的从句一般是进行时态。

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

[译文] 作为外语教学的英语课本出版于十六世纪。

　 A. came out 　 B. came about

　 C. came across 　 D. came round

[答案及简析] A。 come out出版； come about 发生；come across 偶然碰见；came round绕道而行。

978] There are some _____ assistants in that _____ shop.

[译文] 在那家鞋店里有几个女售货员。

　 A. woman; shoe 　 B. women; shoe

　 C. women; shoes 　 D. woman; shoes

[答案及简析] B。 名词作定语一般用单数；但有man和woman作定语，都得用复数。

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

[译文] 我从没想到要去美国。

　 A. over 　 B. for

　 C. of 　 D. /

[答案及简析] C。 think of 想到；think over 后面不接动名词；think不和for连用。

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

[译文] 他病得很厉害，但他不愿离开工作。

　 A. leaving 　 B. him

　 C. that he left 　 D. to leave

[答案及简析] D。 refuse 后面跟不定式作宾语。

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

[译文] 当老板要她离开公司时，她生气了。

　 A. a cross 　 B. cross

　 C. across 　 D. crossing

[答案及简析] B。 cross可以是形容词，"生气，恼怒"的意思。

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

[译文] --你愿意和我们一道去旅游吗？　　--我愿意。

　 A. I hope 　 B. I hope it　

　 C. I hope to 　 D. I hope to join

[答案及简析] C。 当不定式作hope的宾语，可以直接用to代替。

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

[译文] 美国朋友住在一家旅馆，我们到旅馆去拜访他吧。

　 A. call on 　 B. call for

　 C. call up 　 D. call at

[答案及简析] D。 call on拜访某人(宾语是人)；call for 需要；call up打电话； call at拜访某人(宾语是地点)。

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

[译文] 在她面前是A教授，州立大学的物理系主任。

　 A. a head 　 B. one head

　 C. head 　 D. an head

[答案及简析] C。 系主任只有一个，不加冠词。

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

[译文] 我认为没有大量的记忆工作是不能掌握一门外语的。

　 A. this 　 B. that

　 C. its 　 D. it

[答案及简析] D。 6123结构，参见本站相关内容。