— Excuse me, but can I sit here? — _________. The man who sat here will be back soon.
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.