The bell _____ the end of the class rang, _____ our heated discussion.
| A．indicating, interrupting | B．indicated, interrupting |
| C．indicating, interrupted | D．indicated, interrupted |
Along with the letter was his promise _____he would visit me this coming Christmas.
| A．which | B．what | C．that | D．Whether |
John opened the door. There _____ he had never seen before.
| A．a girl did stand | B．a girl stood |
| C．did a girl stand | D．stood a girl |
______, the car stopped all at once.
| A．Seeing a boy lying on the ground |
| B．On seeing a boy sitting on the road |
| C．The driver saw a boy standing on the road |
| D．The minute the driver saw a boy seated on the road |
He ______ busy yesterday, or he ______ you with your experiment.
| A．was; had helped | B．was, would have helped |
| C．had been; would have | D．were; would have helped |
--What do you want to do next? We have half an hour until the basketball game.
---____. Whatever you want to do is fine with me.
| A．It just depends | B．It’s up to you |
| C．All right | D．Glad to hear that |