---I think English is ____unimportant subject.
---I don’t think so. It is ____useful tool when we talk with foreigners.
| A．a; an | B．an; a | C．a; a | D．an; an |
The teacher is coming.Please stop __________.
A.talk B.talking C.to talk
—Has she had for the job?
—Yes, she has taught English for more than 10 years.
| A．enough experience | B．enough experiences |
| C．many experiences | D．much experiences |
—I got up late this morning,I missed the early bus.
—
| A．OK. | B．Is that so? |
| C．Sorry to hear that. | D．I’m afraid so. |
Don’t____your homework until tomorrow.
A. put on B. put up C. put off
---I called you yesterday,but you didn’t answer.
---I______tomatoes and other vegetables on the farm this time yesterday.
| A．picked | B．are picking |
| C．will pick | D．was picking |