— do you surf the Internet, Kate? — Not often, twice a month.
| A．How long | B．How old | C．How often | D．How many times |
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 |
He has given me ________ help, so I can make such great progress in Physics.
| A．a little bit | B．a great deal |
| C．a number of | D．a great deal of |