It is important for us ________English well.
| A．to learn | B．learning |
| C．learns | D．learned |
What’s thisChinese?
A. in B. for C. at
--- Why do you like playing ping-pong?
----it’s interesting.
A. Because B. favorite C. but
—The box is too heavy to carry. What's in it?—Oh, it is ________ books.
| A．filled with | B．covered with |
| C．used for | D．asked for D |
Dr. Bethune ________ working in spite of cutting his hand during an operation.
| A．stopped | B．continued |
| C．forgot | D．enjoyed B |
There is _____ wrong with my computer. It doesn' t work now . I ' ll buy a new one .
A.nothing. B. something. C. everything.