The time has come ______ we can make extensive use of nuclear energy．

A．when         B．which               C．since            D．while

She is already 18 years old, but she _____ as if she were still a little girl．

A．believes        B．behaves         C．directs              D．declares

If you don't go there, ______．

A．so will I         B．neither do I          C．so do I         D．neither will I

He finds it hard to keep _____ with the change of society if he stops learning．

A．company           B．time          C．faith            D．pace

—Do you mind if I smoke here?

—_____．I've got a bit of cold these days．

A．I'm afraid I do                            B．Of course not

C．No trouble at all                                  D．Yes, just go ahead

_____ about Lucy, the teacher called her parents to find out why she was so often absent from class．

A．Concerning         B．Considering          C．Concerned          D．Considered

_____ young people see and hear in the media helps them to figure out how the world works．

A．Which             B．What               C．That               D．How

Many students find _____ jobs during their summer holidays．

A．permanent           B．comfortable          C．temporary           D．contemporary

A good storyteller must be able to hold the listeners' attention ______ he reaches the end of the story．

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

—I'm sorry, I shouldn't have been so rude to you．

—You _____ your temper but that's OK．

A．have lost            B．had lost            C．did lose            D．were losing