The two friends _____ on the Internet for three hours, and they would go on till the next morning.
| A．had been chatting | B．had chatted | C．were chatting | D．has been chatting |
______ loud music in public is against the law in the UK.
| A．Play | B．Having played |
| C．Playing | D．Being played |
They succeeded in killing pests which came from the foreign countries ______ a lot of hard work.
| A．according to | B．thanks to |
| C．in memory of | D．in addition of |
When you meet a new word in reading the English papers, you can guess its meaning but needn’t always ______ the dictionary.
| A．look up | B．attach to |
| C．pay attention to | D．refer to |
The managers discussed the plan that they would like to see ______ the next year.
| A．carried out | B．carrying out |
| C．carry out | D．t o carry out |
______ production up by 60%, the company has had another excellent year.
| A．As | B．For |
C．With | D．Through |