There are three ________ students in their school.
| A．thousands of | B．thousand of |
| C．thousands | D．thousand |
—Shall we get off the bus here?
—Yes. But we won’t get off _______ it stops.
| A．when | B．until | C．while | D．after |
—We’re playing really well this season.We believe we will win!
—______
| A．I bet you do! | B．You are in with a chance to win. |
| C．Nice idea! | D．I’ll see to that. |
—Mom, I am afraid that I can’t get through the hard time we’re having now.
—My boy, be brave and tell yourself ______.
| A．don’t give up | B．not to give up |
| C．not give up | D．to give up |
—John, ______ do you visit your grandparents?
—Once a week.
| A．how long | B．how soon |
| C．how often | D．how much |
I’ll never forget the lesson ______ last year.
| A．that I learn | B．that I learned |
| C．what I learn | D．what I learned |