31．The lecture mainly deals with the trouble young children have right from wrong .
| A．distinguishing | B．distinguished |
| C．to distinguish | D．to be distinguished |
______ that the way people spend their holidays has changed a great deal in the past ten years.
| A．Which is reported | B．What is reported |
| C．As is reported | D．It is reported |
______ the day going on, the weather got worse.
| A．As | B．Since | C．With | D．While |
A modern city has been set up in _______ was a wasteland ten years ago.
| A．what | B．which | C．that | D．where |
Only ______ as a translator ______ how important it was to grasp English.
| A．when did I work; I realized |
| B．when did I work; did I realize |
| C．when I worked; I realized |
| D．when I worked; did I realize |
What’s the time? My watch _______.
| A．is being repaired | B．is to repair |
| C．has been repaired | D．has repaired |