The Green family ________ China for five years.
A. has come to B. has been in C. has been to
Mr. Wang is very strict _______ his students.
| A．of | B．with | C．in | D．about |
There are ______ trees on the hill.
| A．five hundreds | B．five hundreds of |
| C．hundreds of | D．hundred of |
_____ is it from your home to the nearest bus stop?
---About 10 minutes’ walk.
| A．How long | B．How far |
| C．How many | D．How often |
—Is Nancy doing her homework?
— . She is watching TV.
| A．Yes, she is | B．No, she isn’t |
| C．Yes, she does | D．No, she doesn’t |
Look! Emma is_______ her bedroom. Her room is always_________.
| A．clean, clean | B．clean, cleaning |
| C．cleaning, clean | D．cleaning, cleaning |