It’s not fine today. You’d better ____ out. Why ___ stay at home watching TV?
There is _____ river at the foot of the mountain(山). _____ river is dangerous.
--- _________are you late for school? ---Never.
—______ English can you speak?—Only a little.
March is _____ month of the year.
---Could you be so kind as to close the door? ---______.