Amy goes to school ________.
| A．by a bike | B．on bike |
| C．on her bike | D．ride a bike |
His father has worked in this factory _____ he came here in 1980.
A. since B. for C. when
—I have ______read the novel. How about you.
---I haven’t read it ______.
A. yet ,already , B. already before . C. already yet .
—I saw a ______of men go out just now .Do you know what happened ?
----Sorry ,I don’t know .
A. few B. little C. couple
In our class _____ of the students _____ girls.
A. three fifths; are B.third fifths; are C. three fifth; are
Now most families have only one child _____ our country’s one-child policy.
A. since B. because C. because of