1)join;attend

　　1.How many courses did you________?

　　2.He________the football club last year.

　　Key: 1.attend 2.joined

　　解析:attend 一般用来表示"参加或出席"各种会议,如音乐会、追悼会、演出、培训班、典礼、上课、听报告等;join 指"参加"某个团体或组织并成为其中一员,如参军、入团、入党等,等于become a member of。

　　2)sleepy;asleep;sleep

　　3.Although I________eight hours. I still feel________. I am afraid that I'll fall ________in a while.

　　4. If Stella hadn't been so tired, she wouldn't have fallen________while she was working.

　　5.─What a tiring speaker!

　　─Yes,by the time he is finished,everyone will fall to________.

　　Key: 3.slept;sleepy;asleep 4.asleep

　　5.sleep

　　解析:sleep 表示"睡;睡眠",可作名词和动词,故第3 题第一空和第5题用 sleep;sleepy 为形容词,意思是"欲睡的;困倦的",可作定语和表语,故第3题第二空用 sleepy,可与 feel 构成短语;asleep 为表语形容词,意思是"睡着的",可与 fall 构成短语。

　　3)surprised;surprising

　　6. The news he told us seemed________ indeed.

　　7.When she heard the bad news, she stood there________.

　　Key: 6.surprising 7.surprised

　　解析:surprising 指"令人吃惊的"事物;surprised 指人因某事而"惊奇"或显露出"惊奇"的表情。

　　4)method;way

　　8.They can't help seeing things in the ________they do.

　　9.You can finish it by this________.

　　Key: 8.way

　　9.method

　　解析:method 指合理的或系统的"方法",包括抽象的观念或具体的步骤,表示"用某种方法",常与 by 连用;way 为常用语,可以代替 method 的用法,表示"用某种方法",常与 in 连用。

　　5)certain;sure

　　10.I was________that he had seen me.

　　11.It's________that a new railway will be built here soon.

　　Key: 10.certain/sure 11.certain

　　解析:sure 与 certain 均可表示"一定会;肯定会",后接动词不定式结构或that 从句,指说话者确信某事会发生,两者常可以换用, 但 certain 可用于 It is certain that...结构,sure 则不能。

　　6)dark;darkness

　　12.We can see nothing in the________.

　　13.The house is in the________.

　　14.This is as different as light from ________.

　　Key: 12.dark/darkness 13.darkness 14.darkness

　　解析:dark 与 darkness 表示"黑暗"没有绝对的区别(如例12),但有些习惯用法是不能换用的。作表语时一般用 in the darkness(如例13);表示明亮与黑暗的对比,一般也用 darkness(如例14);下列结构一般用 dark:after dark,before dark,at dark,leave sb. in the dark,struggle in the dark 等。

　　(文/刘石才；英语辅导报高中一年级版 03～04学年第46期； 版权归英语辅导报社所有，独家网络合作伙伴新浪教育，未经许可，不得以任何形式进行转载。)