It is difficult, so I suggest that you __ it to an expert.
| A．should leave | B．will leave | C．are leaving | D．may leave |
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.
| A．turned his back to | B．turned back on | C．turned backs on | D．turned his back on |
.Many people spend half their time______ways of getting rich.
| A．dreaming on | B．to dream up | C．dreaming up | D．dreamt up |
.He_______just before the concert started.
| A．dropped out | B．dropped away | C．dropped in | D．dropped up |
---Can I look at the menu for a few more minutes before I decide?
---Of course, sir .
| A．Make yourself at home | B．Enjoy yourself |
| C．It doesn’t matter | D．Take your time |