According to the new traffic law, everyone in a car_______ wear the seat belt.
---Mum,_______ I watch TV?---No. Unless your homework _______________.
---When did you return to China?---_________________.
The rain has stopped. Why not ___________ the raincoat?
The book is_____________ interesting __________ I can’t even drop it for a minute.
He lives to Joy, and in the factory he works with her as well.