--- Could you tell me __________?
--- Certainly. In half an hour.
| A．when will the train to Beijing leave |
| B．when the train to Beijing would leave |
| C．when the train to Beijing left |
| D．when the train to Beijing will leave |
—I didn’t watch TV all night last night．
—________．
| A．So did I |
| B．So I did |
| C．Neither did I |
| D．Neither I did |
If she________hiking in the mountains tomorrow，I will go there with her．
| A．go |
| B．goes |
| C．will go |
| D．went |
She is________to go to work．
| A．old enough |
| B．older enough |
| C．oldest enough |
| D．the oldest enough |
—Could I use your dictionary？
—________．
| A．Yes，I could． |
| B．No，you couldn’t． |
| C．Of course． |
| D．Yes，I do． |
—Could you please________the floor for me？
—Yes，sure．
| A．cleaning |
| B．to cleaning |
| C．clean |
| D．to clean |