— Will you please show me how to operate the new machine?
— Sure. It's a piece of cake. Now let me tell you ____ to do first.
whether是否，which哪一个，与题意不符合，而如果用how, do 后面应该有宾语。how to do it. 答案为A, what to do first 首先做什么。
— My trousers are______ .
— I'll buy you a new pair.
A. wore out
B. worn out
C. wearing out
D. sold out
wear out穿坏，sell out卖完。裤子是被穿坏，而不是主动的，所以是被动语态，答案是B。
— What do you think of these two books?
— _____ of them are interesting. And I've read them several times.
— The artist has got _____ much work to do that he hardly has time to help his wife with the housework.
— That's true. Even on Sundays he is busy with his work.
本题是考so ... that和such .... that的用法。such是修饰名词，但是如果名词前有many, much, little, few等修饰词，则用so代替such.答案为B。
— How long ____ you ____ a fever?
— Ever since last night.
A. have, got
B. have, had
C. have, caught
D. did, have
根据后面的since我们可以判断要用完成时。而get, catch等瞬间动词在完成时中不能与for, since引导的时间状语连用，答案是B。
— I think he lives _____ No.386 West St.
— Are you sure _____ that? You'd better make sure.
A. at, /
B. in, of
C. in, about
D. at, of
live in "居住"后接大地点。live at "居住"后面接具体的地点。be sure of / be sure about确信，固定用法。表示对什么有把握。答案为D。
— The rain came to a stop the night before. The fields are still full of water.
— It _____ for nearly a week.
A. has rained
B. had rained
C. would rain
D. was raining
came to a stop“停止”the night before"前一个晚上"for+一段时间用于完成时，而came表明是过去时，所以后面用过去完成时。答案为B。
— He seems _____ ill. Shall we take him to the hospital right now?
— I don't think it matters. Maybe he's caught a bit of a cold.
D. to be terrible
seem+形容词 “好像是”ill “病了”用副词修饰。答案为B。even修饰形容词 / 副词比较级。
— Would you like ___ some fruit?
— No thanks. I don't feel like _____ anything now.
A. to have, to eat
B. having, to eat
C. having, eating
D. to have, eating
would you like to do sth委婉询问对方的意愿“是否想要做什么....”可以排除BC，而feel like + 名词 / 动名词，表示“觉得好像....” 答案为D。
— This is really a wonderful party with interesting people and great food.
— I'm glad you are _____.
A. liking it
B. enjoying yourself
C. at the party
D. are loving
enjoy yourself "玩得高兴" 表示感情的love, like 一般不用于进行时。C与题意不符合。答案是B。