By nine o’clock all the Olympic Torch bearers had reached the top of Mount Qomolangma, ______.
| A．above which appeared rare rainbow soon. |
| B．rare rainbow appeared soon above which |
| C．above which rare rainbow appeared soon |
| D．above which did rainbow appear soon |
She was fired by the boss because she failed to ___________ for work on Monday.
A. turn up B. turn down C. turn on D turn out
Great changes _________ in China in the last two decades.
| A．have taken place | B．took place |
| C．have been taken place | D．are taking place |
We must set a limit __________ the expense of the trip.
| A．to | B．on | C．for | D．with |
He’s thinned down a lot since he ___________ a diet.
| A．got on | B．put on | C．kept on | D．went on |
--- Did you find your book last night?
--- Yes, I finally managed __________ the book I was looking for.
| A．to find | B．finding | C．to found | D．founding |