Again and again the doctor_______ the crying baby girl, but he couldn’t find out what was wrong with her.
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.
Dr. Bethune ________ working in spite of cutting his hand during an operation.
There is _____ wrong with my computer. It doesn' t work now . I ' ll buy a new one . A.nothing. B. something. C. everything.