1260] If everybody _____ how important it is to get rid of pollution, we _____ a better world.

[译文] 如果每个人都意识到消灭污染有多么重要的话，我们就有一个很好的世界。

　 A. knows; will have 　 B. realized; would have

　 C. realizes; could have 　 D. said; shall have

[答案及简析] B。 虚拟语气，与现在事实相反。

1259] In autumn, leaves turn yellow and _____ the tree.

[译文] 秋天，树叶变黄了丛树上落下来。

　 A. fell from 　 B. fall down

　 C. fall off 　 D. fall to

[答案及简析] C。 并列句，fall off从…落下来。

1258] You shouldn’t _____so many mistakes if you had been more careful.

[译文] 如果你小心一些就不会出这么多的错误。

　 A. have made 　 B. make

　 C. be making 　 D. have been making

[答案及简析] A。 shouldn’t have done 不应该做某事，但做了，有责备之意。

1257] He is lying _____ , staring into the sky.

[译文] 他仰躺着，凝视着天空。

　 A. with his back 　 B. on his back

　 C. on his back 　 D. on his stomach

[答案及简析] B。 on oen’s back 仰躺着。

1256] I know well how to _____ children.

[译文] 我很清楚地知道如何对付小孩。

　 A. do with 　 B. dealing with

　 C. deal with 　 D. doing with

[答案及简析] C。 how to 中的to是不定式符号,do with常和what连用。

1255] The old lady, who was _____ in bed, had many hens. Each of which ______ an egg a day.

[译文] 躺在床上的老太太有许多母鸡，每只鸡每天下一个蛋。

　 A. laying; laid 　 B. lying; lay

　 C. laying; lay 　 D. lying; laid

[答案及简析] D。 lie ---lay---lain 躺，位于；lie---laid---laid下蛋，搁置。

1254] _____ the sad news, tears come into her eyes.

[译文] 当她听到这个坏消息，眼泪马上就流了出来。

　 A. While hearing 　 B. When she heard

　 C. Hearing 　 D. Having heard

[答案及简析] B。 hear这个动作该句主语发不出来，只有选从句了。

1253] I am sorry to have taken your book ______mistake.

[译文] 对不起我拿错了你的书。

　 A. in 　 B. by

　 C. for 　 D. with

[答案及简析] B。 by mistake错误地(无心的)。

1252] -----Sorry I forgot to post the letter for you. ----- Noever mind, _____ it myself tonight.

[译文] -对不起，我忘了给你邮寄这封信。　--没关系，我下午自己去寄。

　 A. I’m going to post 　 B. I’d better post

　 C. I’ll post 　 D. I’d rather post

[答案及简析] C。 本题只要首先排除了A答案(表示预先计划好了的)，答案就好选了。

1251] " Doctor Smith, someone wantd to see, ______ he wait in the office or outside?" said the nurse.

[译文] 护士说，"史密斯医生，有人要见你，你看是让他在办公室等还是在外面等？"

　 A. will 　 B. must

　 C. may 　 D. shall

[答案及简析] D。 shall 用于第二，三人称，表示请求指示，命令。