2200]------Don't forget to post the letter, will you?　 　 -----I _____ it.

[译文]--不要忘了替我把信邮走，好吗？　--我已经在做了。

A. have already started　B. had been started　 C. had already started　 D. has been started

[答案及简析]A 本句时态应该时现在完成时态。

2199]Mr. Brown _____ us as soon as he gets to Washington.

[译文]布朗先生一到华盛顿就会给我们打电话的。

A. phones　B. will phone　C. phoned　D. would phone

[答案及简析]B. as soon as 引导的从句是一般现在时态，主句就应该是将来时态。

2198]The table is _____ the other one.

[译文]这张桌子和另一张桌子是一样高的。

A. the same height as　 B. as higher as　 C. high as　　　 D. as the same height

[答案及简析]A. the same ... as的结构。same 后跟名词。

2197]_____ child can finish his homework on time.

[译文]不是每一个孩子都能按时完成作业的。

[答案及简析]A. No every　　 B. Not every　 C. No each　 D. Not each

B. not every child 是不部分否定。

2196]The days in winter are shorter than ____ in summer.

[译文] 冬天的日子比夏天的要短得多。

A. that　　　　 B. one　　　 C. those　　 D. these

[答案及简析]C. 比较级中，前面是可数名词的复数，than后面就用those.

2195]Most of the students in our class come from _____.

[译文]我们班上的大部分同学来自北方。

A. the north　 B. north　　 C. the northern　 D. northern

[答案及简析]A. 方位名词前不加冠词，但前面有介词就得加冠词。

2194]_____I was ill for six months I lost my job.

[译文]由于我病了半年，我丢了工作。

A. As　　　　　 B. Since　　 C. Because　 D. For

[答案及简析]A. as 由于。 since 既然。　 because　 因为(回答why )　for 并列连词，不能位于句首。

2193]On the _____ of our sales forecast, we can make more profits.

[译文]根据我们的销售预测，我们能赚更多的利润。

A. base　　　　 B. basic　　 C. basis　　 D. bases

[答案及简析]B. on the basic of　 固定搭配， "根据。。。"

2192]The two sisters look _____.

[译文]这两姐妹看起来很相像。

A. like　　　　 B. alike　　 C. same　　 D. the similar

[答案及简析]B. alike 是表语形容词，look 是连系动词. look alike 看起来像。

2191]_____ method you choose, as long as you finish the job on time.

[译文]对我来说无所谓无论你选哪种方法，只要你能按时完成工作。

A. It isn’t a matter to me what　　B. What doesn’t matter is that

C. It doesn’t matter to me which 　　D. No matter which

[答案及简析]C　 前面的句子是主句，so long as引导的是状语从句。