23、Our hostess went ___ to make sure we were comfortable.

A．to great pains         B．great trouble          C．to great length      D．great difficulty    

22、I think you should end it ____ it is too late, or you may be sorry about it later.

A．when           B．before        C．after          D．until

21、_____ in the regulations that you should not tell other people the password of your e-mail account.

A．What is required           B．It requires          C．It is required          D．What requires   

20、Mr. Gong, who is in poor health, ______ such a hard life.

A．is not suit to living                                   B．isn’t suit to live

C．isn’t suited to living                                  D．isn’t suited to live

19、A taxi pulled _____ at the school gate when I was waiting for a friend.

A．on            B．off          C．out           D．up

18、He lived in poverty, and he couldn’t help_____.

A．so                           B．it                      C．that                  D．such

17、She is _____ sort of woman who likes to be very much in ____ evidence.

A．a, /         B．the, /          C．the, an          D．a, the    

16、Would you please be more patient to tell us about this case_____?

A．in all           B．in general            C．in detail           D．in common

15、Drivers will do a better job when they ______ obstacles, and know what threats to expect.

A．have an eye to                                          B．have an eye on

C．keep an eye out for                                                     D．have an eye for

14、It’s quite ____me why such things have been allowed to happen.

A．against          B．behind          C．for        D．beyond