(2)从属连词用来引导从句，如that,if,whether,when,after,as soon as等。
They drank and sang all night.
Both my parents and I went there.
I'm sad,but he is happy.
Either you're wrong,or I am.
I asked him to stay,for I had something to tell him.
Af first,he didn't want to go there.Later,however,he decided to go.
Neither my parents nor my aunt agrees with you.
He not only sings well,but also dances well.
Hurry up,or you'll be late.
Are you a worker or a doctor?
It's getting late,so I must go.
Although it was late,they went on working.
(12)as soon as一…就
I'll tell him as soon as I see him.
He didn't go to school,because he was ill.
I won't go unless it is fine tomorrow.
He didn't leave until eleven.(瞬间动词用于not…until结构)
He stayed there until eleven.
While I stayed there,I met a friend of mine.(while后不可用瞬间动词)
My pen is red while his is blue.
He was ill,for he didn't come.(结论是推断出来的)
I have lived here since my uncle left.
I had hardly got to the station when the train left.
(20)as far as就…来说
As far as I know,that country is very small.
You may walk as far as the lake.(一直走到湖那里)
例1 John plays football ____,if not better than,David.
A as well B as well as C so well D so well as
解析：该题意为：John踢足球如果不比David好的话，那也踢得和David一样好。和…一样好为as well as.故该题正确答案为B。
例2 She thought I was talking about her daughter,____,in fact,I was talking about my daughter.
A when B where C which D while
例3 Would you like a cup of coffee ____ shall we get down to business right away?
A.and B.then C.or D.otherwise
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