—Such a mistake could have been avoided.
—Unfortunately, he _______ the mistake again and again.
| A．repeated | B．would repeat |
| C．had repeated | D．would have repeated |
A small plane crashed into a hillside five miles east of the city, __________ all four people
on board.
| A．killed | B．killing | C．kills | D．to kill |
After a knock at the door, the child heard his mother’s voice ____________ him.
| A．calling | B．called | C．being called | D．to call |
Not only I but also Brown and Kelly ___________ fond of rock music and computer games.
| A．is | B．are | C．am | D．be |
The company had about 20 notebook computers but only one third _________ used regularly.
Now we have sixty working all day long.
| A．is | B．are | C．was | D．were |
I think it was a bit boring to work here because there wasn’t always much to do.
| A．such | B．that | C．more | D．very |