--- How long will it be ________ the Stock(股票) Market returns to normal? --- At least one year, I guess.
China is a country ____ a long history.
It’s very kind ______ you to help me ______ math project.
--My grandma is ill in hospital. ---_____________
.—You should ______ more water when you have a fever.
---What’s the matter ______ you? ---I have a toothache.