用when,before,after,until,as soon as,if,than,as,because,thoug

when,before,after,until,as soon as,if,than,as,because,though,since,so…that…,no matter,so that,
such…that…,或unless填空
1.(Though) the wind is rather cool it is quite pleasant today
2.We're leaving for Shenzhen (if) it is fine tomorrow
3.(No matter) where I am ,I will be thinking of you
4.he must be ill (because) he is absent today
5.you must speak louder (so that) you can be heard by all
6.I didn't manage to do it (before) you had explained how
7.he is (such) a young boy (that) he can't go to school
8.I haven't heard from him (since) he left home
9.he was (so) tired (that) he couldn't go on walking
10.I was cooking (when) she knocked at the door
11.He didn't go to bed (until) he finished his homework
12.the soldiers set off to the front (as soon as) they received the officer's order
13.she went to bed (after) the TV play was over
14.take the medicine (before) you go to bed
15,.(As) this methor doesn't work let's try another
16.(No matter) what happened he would not mind
17.I knew nothing about it (until) he told me
18 you won't catch the early bus (unless) you leave at once
19.the harvest of this year is much better (than) that of last year
我来帮他解答
再问： 句型转换的题目 close the door,or you'll catch a cold _____ you _____ _____ the door,you'll catch a cold
再答： If you don't close, you'll catch a cold.