__________ do exercise for an hour a day to keep fit.
__________ water the flower while I am away?
Yesterday, he __________ he finished reading the book.
The more you learn, __________ you know.
We should __________ in Beijing.
1. Youd better
2. Would you please
3. didnt have a rest until
4. The more you will realise how little
5. try to take the bus as much as possible to make the air cleaner