1.By the time he was twenty—four,he became a doctor.错哪?
问题描述：
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
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 moneyon doing sth5make up one's mind 下定决心 make...