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n. 评论
[r?'vju?]
v.归还
准时
v.续借；更新
[r?'nju?]
动词不定式
To do that kind of thing is foolish.
I want to see you this evening.
All you have to do is to finish it quickly.
We found a house to live in.
She came here to study English.
He asked the patient not to eat cold water after the operation.
主语
宾语
表语
定语
状语
宾补
Using question words + to infinitives
Andy doesn't know ____________.
(穿什么)
what to wear
Millie can’t decide _________________.
（买哪本书）
which book to buy
They don’t know _________ to the station.
（怎样去）
how to go
We can use a question word with a to-