1820] Can you explain _____ having done such a thing?

[译文] 你能给我解释一下你为什么做这样的事？

　 A. the reason to me for 　 B. the reason to me why

　 C. me the erason why 　 D. me the reason for

[答案及简析] A。 explain sth. to sb.向某人解释…。

1819] I had to work extremely carefully, for I didn’t know how long _____ to get used to the new tool.

[译文] 我得特别的仔细工作，因为我不知道要多久才能适应这种新工具。

　 A. it would take me 　 B. it would spend me

　 C. would it pay me 　 D. would it cost me

[答案及简析] A。 考查it take sb. some time to do sth.句型和语序。

1818] My parents always let me have my own _____ of living.

[译文] 我的父母总是让我有自己的生活方式。

　 A. way 　 B. method

　 C. manner 　 D. fashion

[答案及简析] A。 名词辨析，way 表示方式，常和介词连用；method 表示有规律，有系统的方法；manner表示举止。

1817] I find _____ impossible to learn two foreign languages well at the same time.

[译文] 我发现同时学好两门外语是不可能的。

　 A. that 　 B. me

　 C. this 　 D. it

[答案及简析] D。 考查的是6123结构，请具体参见本站语法相关内容。

1816] Mr Brown , _____, whorks as the manager of the company.

[译文] 我们乘布朗的车到这儿来的，他在这家公司当经理。

　 A. by whose car wr got here 　 B. in whose car we got here

　 C. we got here by car 　 D. we got here in his car

[答案及简析] B。 定语从句中的状语in his car = in whose car.

1815] _____ is stupid ____ you to say so.

[译文] 你这样说话很愚蠢。

　 A. It; for 　 B. It; of

　 C. That; for 　 D. This ; of

[答案及简析] B。 it is + 形容词+ of sb. to do sth.句型。

1814] Not only a promise _____, but also he kept it.

[译文] 他不但作了一个许诺，而且兑现了。

　 A. does he make 　 B. did he make

　 C. he made 　 D. did we make

[答案及简析] B。 not only.. but also…引导的并列句，前倒后不倒。

1813] There are many things which have to _____ before we finally make up our minds.

[译文] 在我们最后下决心之前还有很多事得想到。

　 A. be thought 　 B. be thought of

　 C. think about 　 D. think of

[答案及简析] B。 定语从句应是一个被动意思的句子。

1812] All that you mentioned _____ well known _____.

[译文] 你所提及的一切事情都是我们知道的。

　 A. are; for us 　 B. is; by us

　 C. was; to us 　 D. were; to us

[答案及简析] C。 all表示一切时，一般作单数讲；按时态一致的原则应是一般过去时态。

1811] He has recovered _____ of his friends.

[译文] 他的康复，使朋友们很高兴。

　 A. to their much delight 　 B. to much delight

　 C. to much their delight 　 D. much to their delight

[答案及简析] D。 to one’s delight 使某人高兴；程度副词much应该放在短语的前面。