She had just finished her homework_________her mother asked her topractice playing the piano yester-day.
| A．when | B．while | C．after | D．since |
The poet and ______ pianist is going to give us a talk this afternoon.
| A．an | B．a | C．the | D．/ |
________is surprising is that there are so many Chinese restaurants in Toronto.
| A．It | B．That |
| C．Such | D．What |
My deskmate exercises regularly every day，so he is always________and studies efficiently.
| A．energetic | B．confident |
| C．generous | D．reliable |
In China，it is a traditional________to show respect to ancestors during the Qingming Festival.
| A．belief | B．custom |
| C．strength | D．principle |
Either the judge or the lawyers________wrong on the case at that moment.
| A．is | B．are |
| C．were | D．was |