The science of medicine, _____ progress has been very rapid lately, is perhaps the most important of all the science.

   A. all whose                 B. all what                           C. all that                            D. all which

 This is the largest clock in the world, _____ the minute hand is six

meters long.

   A. where                       B. of which                          C. whose                    D. which

 Sarah hopes to become a friend of _____ shares her interests.

  A. anyone                       B. whomever            C. whoever                         D. who

 Liu Xiang is ________ Yao Ming.

   A. as a famous athlete as                             B. as famous an athlete as

   C. so a famous athlete as                             D. as famous an athlete so

 When and where to go for the on-salary holiday _____ yet.

   A. are not decided                                                    B. have not been decided

   C. is not being decided                                            D. has not been decided

The water will be polluted unless some measures _____.

         A. will be taken         B. are being taken   C. are taken              D. were taken

 His way of speaking suggested that he ____ very angry.

         A. should be              B. be                                     C. is                    D. was

 Pine trees, of which there are almost one hundred ____, are found throughout the North Temperate Zone.

         A. species                            B. samples                          C. specimens   D. Standards

 The salmon dish was _______, wasn’t it?

         A. success                           B. the success          C. a success              D. successes

 The conference had been held to discuss the effects of tourism ___ the wildlife in the rainforest.

         A. in                             B. on                                     C. at                            D. with