I will go to Hangzhou sometime next week. Perhaps I _____visit you at that time.
---What’s the matter ______ you? ---I have a toothache.
--- How many students are there in the school? ---There are about ______.
Does hea bus ____?
Tom knows Chinese well. Hesay some English words.
---______ does it take you to go to Beijing by train? ---About two days.