15. It is requested that each of the teachers invited ______ a performance at the. party.
| A．should give | B．will give | C．has to give | D．must give |
The picture brought back the memory of the days at Uncle Wang's in Xi'an,__________ I was treated as his own child.
| A．when |
| B．where |
| C．which |
| D．as |
__________ around Tian'anmen Square, the tourists were taken to visit the Palace Museum.
| A．Showing |
| B．Having shown |
| C．Being shown |
| D．Having been shown |
I was __________ by what he had done.
| A．deep impressed |
| B．deeply impressed |
| C．deep impressing |
| D．deeply impressing |
Computer and TV take up most of my spare time and __________ is spent on exercise.
| A．everything |
| B．what left |
| C．the rest |
| D．all the others |
—What do you think made Liz so upset?
—__________ her new bike yesterday.
| A．Lose |
| B．Lost |
| C．Losing |
| D．Being lost |