The number of students in our school _________ by over 20 percent in the last three years .
| A．is fallen | B．has fallen |
| C． are fallen | D．have fallen |
--- are you going to improve your English?
--- I'm going to listen to the teacher more carefully.
A. Why B. How C. When
Can you the radio? I want to listen to the evening news.
A. turn off B. turn down C. turn on
--- How soon will Mr Li come back from Beijing?
--- three days.
A. In B. For C. From
I don't like Jack at all. He never his promise.
A. makes B. breaks C. keeps
Look! There are on the floor. Please pick them up.
A. two piece of papers
B. two pieces of paper
C. two pieces of papers