Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
| A．when | B．before | C．while | D．since |
Bobby ________ me your secret, but he meant no harm.
| A．shouldn’t have told | B．should tell |
| C．mustn’t have told | D．could tell |
The speed of cars and trucks is ________ 30 kilometers per hour in large cities in China.
| A．limited | B．limiting | C．limiting to | D．limited to |
If you cheat in the exam, you could hardly ________ it.
| A．throw away | B．get away | C．get away from | D．get away with |
It was for this reason ________ her aunt moved out of Shenzhen and settled down in a small village.
| A．that | B．which | C．why | D．how |
As we all know, an island is a piece of land ________ by water.
| A．surround | B．surrounding | C．surrounded | D．to be surrounded |