two
- Bruce,how many students are there in your school?—Mmm, about.
- Mrs Green has ____daughters,and mary is her _____daughter.
- This is the time during days that he has made the same mistakes.
- _______ of the students in our class _______ interested in micro blogs (微博) on the Internet.
- He has been running______.
- ________of the chemical factories in their city _________pouring waste water into the river. It’s too dangerous.
- Andy, are you learning Lesson this week?— No. We are learning lesson now.
- How long have you been running ? —Since ______ .
- I hear ________ students went to the hall to have the concert.
- Quzhou is a wonderful place,visitors come here every year.