①break out发生；爆发 carry out进行；开展
go out熄灭 hand out分发
let out放出 look out当心
sell out卖完 set out出发
take out取出 work out算出
②break down坏了 come down落下来
get down下车 take down取下
write down写下
题组训练2
选词填空
take on，bring up，turn down，go over，come across，put up，care about，look up，put up with，speed up，bring down，work out
1．，but I hate it if it’s not clean.
2．market stable.
3．4．You can’t predict everything. Often things don’5．—You look upset. What’s the matter?
—6．，ask the shop assistant to reduce the price.
7．8．Born into a family with three brothers，9．To get a better grade，10．’t know in the dictionary or on the Internet.
11．store.
12．◆易错易混点
1．lay(放)，2.rise和raise：rise是不及物动词，其过去式是rose，过去分词是risen，而raise是及物