1.By the time he was twenty—four,he became a doctor.错哪?

题目

1.By the time he was twenty—four,he became a doctor.错哪?
2.which is___larger country,Canada or Australia?为什么要the?说一下语法点
3.turn out turn on turn off turn up
4.花多少钱用spend 是spend on something
5.make up my mind 与 make a decision 和decide what to do 都有啥区别?
6.It is very kind of you……It is very important for you……说一下及物,不及物的知识和语法点
7.When he got home,he found his key missing.说一下为啥是missing及其语法点
8.when we meet any difficulty……any后面都跟可数名词单数或不可数名词吗?

答案

1.By the time he had been twenty—four,he became a doctor.2 the 指的是确指的 两个国家中较大的那一个 3 证明是 打开 关闭 把声音调大4 spend some money on doing sth5make up one's mind 下定决心 make...