Rising evidence suggests that the use of the vaccines(疫苗)will be effective to the spread of common cold.
Now my hometown is not at all _________ a traveler who visited it ten years ago can expect.
—Michael was late for Mr. Smith’s oral class this morning.— _________? As far as I know, he never came late to class.
___ Mary is sleepy, she insists on finishing her homework rather than ___ to sleep.
It is ______ the customers’ needs that has made chain stores so popular in big cities in China.
Out of the crowded bus , who was dressed in a black suit and waved to a woman.