You’d better put a cloth over the salad to ______ the flies for the sake of health.
Who is it______have the most important role to play in stopping Yellow River erosion? A,who B.that C.which D.whom
.He_______his million and found different way to be happy in his life.
.Many people spend half their time______ways of getting rich.
.He_______just before the concert started.
---Can I look at the menu for a few more minutes before I decide? ---Of course, sir .