I usually do my homework _____than Mary. But she makes fewer mistakes because she is_____.
| A．more quickly; more careful | B．more quickly; more carefully |
| C．much quicker; more careful | D．much quicker; more carefully |
—I don’t know________．
—Because he has to look after his mother．
| A．why he is leaving |
| B．why is he leaving |
| C．whether he is leaving |
| D．whether is he leaving |
She________to an English program while her parents________TV．
| A．was listening；is watching |
| B．listened；were watching |
| C．was listening；watched |
| D．was listening；were watching |
—I didn’t see you at the beginning of the party last night．
—I________on nay biology report at that time．
| A．worked |
| B．work |
| C．was working |
| D．am working |
The girl was flying a kite________her father came back．
| A．when |
| B．while |
| C．until |
| D．after |
—I went to see you yesterday evening．But you weren’t in．Where were you then?
—I’m sorry．I________a walk by the lake with my classmates．
| A．am taking |
| B．was taking |
| C．take |
| D．took |