Walking alone in the dark, the boy whistled to ______ his courage.(2012 .湖北)
You’d bettera doctor about your illness. A consult B. advise C. refer to D. discuss
Scientists thousands of chemicals before they decided on the right one in the end .
What Mr. White said sounds .
It’s obvious that the Beijing Olympic Games a great success.
To their great , Tom’s problem proved not to be as serious as they had feared.