-What do you think ofthe air in Jinan? . It's always above PM2.5.
I prefer _______at home rather than ___________ out.
This English book ________Liu Mei’s, it has her name on it.
Something smells ____, and you are supposed to clean your house often.
The new kind of car is __________expensive. I don’t have ______money.
----Please tell me ___________________an hour ago.---He rode his bike.