While building a tunnel through the mountain, _____.
| A．an underground lake was discovered | B．workers discovered an underground lake |
| C．there was an underground lake discovered | D．a lake was discovered underground |
Fast food restaurants offer people _____ everything from fried chicken to fried rice.
| A．in the run | B．for the run |
| C．on the run | D．to the run |
Do you know _____ we are talking about? Come and I’ll tell you.
| A．which Mark Twin’s |
| B．which novel of Mark Twin |
| C．which novel of Mark Twin’s |
| D．Mark Twin’s which novel |
This is my old photo of my aunt’s when she had _____. And now she has a few _____.
| A．short hair; grey hairs | B．short hairs; grey hair |
| C．short hair; grey hair | D．short hairs; grey hairs |
Thanks to the old man’s hard work, a lot of _____ has been covered with green trees.
| A．the hills | B．hills | C．the hill | D．hill |
It’s a teacher’s _____ to make children learn.
| A．matter | B．affair | C．business | D．event |