It is true that it will be less comfortable and take a longer time on the old road. I don’t think we will take the new one, _____, because we don’t feel as safe on it.  

A. though                            B. therefore                  C. while                       D. too  

 When asked to explain _____ he does to make his students so fascinated with his lessons, the teacher paused and thought deeply.  

A. what it is that            B. that what it is           C. what is it that           D. that what is that  

―Please tell Bruce he has won the first prize in the maths contest.  

―_____! He never did so well before.  

A. Congratulations                                                     B. Good luck  

C. That’s right                                                        D. What a good surprise  

 Bread and butter _____ for breakfast in many Chinese homes nowadays but things were different 20 years ago.  

A. serve                       B. is served                   C. has served                D. are served  

The next morning he told me he was much better but I was still full of doubts about his health condition _____ I could not tell him about.  

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

 A study shows that students living in non-smoking dormitories are less likely to _____ the habit of smoking.  

A. make up                   B. turn up                     C. draw up                   D. pick up  

―Hurry, John!  

―Oh, damn! Both my legs are nearly to give out. I _____ for hours.  

A. had walked               B. walked                     C. have been walking    D. am walking  

―Helen, will you come to the party tonight?  

―Yes, but I really       as I have so much homework to do and there will be an exam next week.  

A. shouldn’t                  B. mustn’t                    C. can’t                        D. won’t  

Young _____ he is, he knows clearly what career he wants to follow in the future.  

A. although                   B. even if                      C. as                            D. even  

He was walking along the beach, occasionally _____ down to pick up a seashell.  

A. to bend                           B. bending                    C. bent                         D. having bent