Question 9: The larger the apartment, the                                      the rent is.

A. expensive                 B. more expensive        C. expensively              D. most expensive

Question 8: Had I studied harder, I                        better in the last exam.

A. would do                  B. would have done      C. had done                  D. wouldn’t have done

Question 7:                      he is old, he wants to travel around the world.

A. In spite of                 B. Although                  C. Despite                     D. Because

Question 6: Elephants                          the ecosystems they live in, and make it possible for a lot of other species to survive in those environments as well.

A. obtain                      B. remain                             C. maintain                  D.

Question 5: Susie and Fran                           us last night, so I had to quickly defrost a pizza.

A. turned up                 B. dropped in on                C. came across              D. went through

Question 4: I think  you  need to                   your  ideas  more clearly so  that the reader doesn’t  get confused.

A. dawn on                     B. set out                   C. get on with              D. give in

Question 3: I                      come.dinner. Just as it was ready, Chris and Jane phoned to say that they couldn’t

A. needn’t cook                                             B. didn’t need to cook

C. needn’t have cooked                                 D. didn’t need cooking

Question 2: For people to be able to survive in groups, individuals had to cooperate with each other, rather than                                   .

A. act alone               B. alone act                         C. act lonely              D. lonely act

Question  1:  The  production  of  different  kinds  of  artificial  materials                   conservation of our natural resources.

A. is                      B. have been                          C. are                         D. were

Question 90: The report says that over five years up to 2013, the                      almost a quarter of the US as land was converted to grow corn for ethanol.

A. crowd                  B. diverse             C. amount            D. abundance