Question 39: In early days, hydrochloric acid was done by heating a mixture of sodium chloride with iron sulfate.

A. In early days            B. done                         C. heating                     D. with

Question 36: It is unclear which agency will be responsible for cleaning the canal if it will become     polluted again

A                             B                                               C               D

Question 35: Generally, Europe and Asia are regarded  as being distinct continents, but they are simply vast geography divisions of the larger land mass known as Eurasia.

A. Generally                 B. are regarded             C. vast geography          D. known as

Question 34: An ambitious person is committed to improve his or her status at work.

A. is                              B. improve                    C. status                          D. at

Question 33: Once you have finished an article and identified its main ideas, it may not be necessary to reread it again.

A. Once                         B. identified                  C. be necessary              D. again

Question  32:  The  occean  probably  distinguishes  the  earth  from  other  planets  of  the  solar  system,  for scientists believe that large bodies of water are not existing on the other planets.

A. probably                   B. for                            C. are not existing        D. from

Question  31:  For  its  establishment,  ASEAN  Tourism  Association  has  played  an  important  role  in promoting and developing ASEAN Tourism services.

A. Tourism Association                                     B. played

C. in promoting and developing                        D. For its

Question 30: Fifty minutes are the maximum length of time allotted for the exam.

A. are                            B. length                       C. maximum                 D. allotted

Question29: In a process called as photosynthesis, plants use the sunlight energy to produce nutrients.

A. In                              B. as                              C. the                            D. produce

Question 28: Almost medical doctors have had some training in psychology and psychiatry.

A. Almost                     B. have had                   C. training                    D. and