_____is too hard _____ a good solution to this problem.
| A．It; finding | B．This; to find | C．This; finding | D．It; to find |
Wars are disasters. A large number of people will lose their homes if a war ________.
| A．breaks out | B．is broken out |
| C．breaks down | D．is broken down |
The mobile phone has changed people’s life a lot ________ it was invented.
| A．until | B．since | C．before | D．after |
The girl is so excellent that you ________ praise her too much.
| A．mustn’t | B．shouldn’t |
| C．can’t | D．won’t |
Yaxi, a quiet village in Gaochun, _________ China’s first “Slow City” in November 2010.
| A．names | B．named |
| C．is named | D．was named |
— What do you think of the book?
— Oh, excellent. It is worth ________ a second time.
| A．to read | B．to be read |
| C．reading | D．being read |