two
- 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.
- I haveaunts, and myaunt works in Nanjing.
- There are about teachers in our school.
- There are ________ people having lunch at this restaurant every day.
- Every year, _______ visitors come to Taixing to enjoy the delicious food, such as Huangqiao cakes, Xuanbao dumplings and so on.
- ________of the land in that district________ covered with trees and grass．
- Some scientists think that it may take ______years to make robots look like people, and do the same things as us.
- ______ of the coats ________ made of cotton. They feel comfortable.