— Sorry, Sir. I didn’t quite follow you.

   — ______. I’ll explain it to you later.

A. Don’t worry        B. Come on        C. That’s right       D. Don’t mention it

 While ______ in the street, I met an old friend of mine.

   A. walked           B. was walking     C. walking        D. I am walking

 We have all realized the important part ______ the Internet has played in our life and work.

   A. where                 B. when                C. in which            D. that

 He prefers _______ indoors _______ out this afternoon.

   A. to stay; to go                                          B. staying; to going

     C. to stay; to going                               D. staying; to go

 ______ improve his English, John bought himself a lot of tapes.

   A. So as to                     B. So that                     C. In order to         D. In order that

 The heavy rain made his business ______ a great loss.

   A. suffer                 B. to suffer            C. suffering           D. suffer from

 —Why does she always ask you for help?

—Because there is no one else _______.

A. she turn to who                               B. she can turn to

C. who can turn to                                    D. to who she turn

 The doctor came up and asked me ______ the night before.

   A. what did I eat                                  B. what had I eaten

   C. that what I had eaten                        D. what I had eaten

 The English ______ in Canada is a little different ______ people speak in Australia.

   A. spoken; from what                           B. speaking; in what

   C. spoken; in that                                 D. speaks; from

 When he came into the dinning hall, nobody said hello to him. So he felt _______.

   A. calm                   B. excited              C. ignored             D. worried