Life insurance is not really betting although it can be compared to it．You pay the money just _______．

A．in time          B．in case          C．in return         D．in honor

You will be at a（n） _______ if you have thought about the interview questions in advance in application for a job．

A．favor           B．a(chǎn)dvantage          C．benefit          D．profit

The boy was busy doing his homework, only _______ once in a while to look out of the window．

A．stopping        B．to stop            C．stopped          D．having stopped

You can’t complain of being lonely _______ you don’t make any effort to communicate with others．

A．when        B．until          C．unless        D．once

The moment we heard of the accident, we _______ the work to rescue those trapped in the mine．

A．set off          B．set down         C．set back               D．set about

It is the test system, rather than the teachers, _______ is to blame for the students’ heavy burden nowadays．

A．who         B．this          C．that         D．whom

_______ for a strong and fair climate agreement at the key UN summit in Copenhagen, 50,000 people in London wore blue and went to the streets．

A．Call          B．Calling     C．To call           D．Called

— Did you see who the driver was?

— No, so quickly _______ that I couldn’t get a good look at his face．

A．does the car speed by                                  B．did the car speed by

C．the car sped by                                           D．the car speeds by

Our English teacher devoted herself _______ to her teaching, which earned her a good     reputation in our school．

A．strongly         B．entirely          C．extremely          D．freely

They would appreciate _______, to be frank, if the goods could be delivered as soon as possible．

A．that         B．this            C．it          D．one