28. --- Is Bob still performing?
--- I’m afraid not. He is said _____ the stage already as he has become an official.
| A．to have left | B．to leave | C．to have been left | D．to be left |
In his youth，Ma Yun finally attended Hangzhou Teacher's Institute he failed the entrance exam twice．
| A．unless | B．after | C．since | D．until |
____carefully for a long time，the opening was a great success
| A．To have been prepared |
| B．Having been prepared |
| C．To be prepared |
| D．Being prepared |
–He ____ the Most Popular Teacher in his hometown，right？
-Yes．ten years before he came to this school．
| A．is awarded |
| B．has awarded |
| C．was awarded |
| D．Awarded |
We will have six-day holiday during the coming APEC meetings traffic on the roads．
| A．to ease | B．easing |
| C．ease | D．having eased |
I was watching Time of Chief Editor_______Phoenix Satellite TV at that time
| A．at | B．to | C．for | D．on |