Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentence.

25.     Leaves are found on all kinds of trees, but they differ greatly _____ size and shape.
A. on                           B. from                        C. by                           D. in

 

26.     They felt sad that they couldn’t help the poor boy because _____ of them had any money on them.
A. all                            B. any                          C. none                        D. no one

27.     Some celebrities are eager to make their private lives known to the public for fear that no notice _____ to them.
A. pays                        B. will paid                   C. is paid                      D. will be paid

28.     A 6.5-magnitude earthquake hit Taiwan on Wednesday, _____ ne person and injuring at least 86 others.
A. killed                        B. having killed              C. killing                       D. being killed

29.     Dogs are man’s good friends, but sometimes they also cause trouble to us, _____?
A. are they                    B. aren’t they                C. do they                    D. don’t they

30.     _____ some Chinese scholars propose stopping using traditional Chinese medicine, foreign medical institutions and industries are pursuing them.
A. If                            B. While                       C. As                           D. Once