31、She suffered a mental disease for quite some time and in the end she _____ go into a mental hospital.

  A. had to                  B. must                        C. would like to             D. could

30、_____ hungry you are, you shouldn’t start to eat before the whole family gather around.

  A. How                    B. However                  C. Unless                      D. If

29、By this time of next Friday, I _____ to New York by the Korean Airline.

  A. will fly                 B. will be flying            C. am flying                 D. will have flied

28、After the flood, there were hundreds of homeless people that needed _____.

  A. rescued                 B. being rescued            C. to rescue                  D. to be rescued

27、The dam will generate electricity _____ about 40 million tons of coal without causing so much air pollution.

  A. equal                    B. be equal                   C. equal to                    D. be equal to

26、Mencius believed that the reason why man _____ the animals is that man is good.

  A. is similar to          B. is different from      C. are clever than         D. are kind to

25、Strong sandstorms are often _____ you cannot see the sun.

  A. so thick that          B. such thick that                C. thick in order that     D. thick such that

24、He then moved to London, _____ he became famous.

  A. which                   B. when                       C. where                      D. why

23、One third of the class _____ agreed to be volunteers to help the aged this vocation.

  A. are                       B. is                             C. has                          D. have

22、It’s been years since I _____ myself so much.

  A. enjoy                   B. enjoyed                    C. have enjoyed            D. had enjoyed