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As a result of the serious earthquake, two-thirds of the buildings in that area _______.

       A. need repairing   B. needs to repair  

C. needs repairing      D. need to repair

Dr. Green, as well as his wife and children, ______ visit Beijing this winter.

A. was going to       B. were going to      C. is going to      D. are going to

Their family       very big with eight kids, so it is very funny to watch how his family             having dinner.

       A．a(chǎn)re; are     B．is; is  C．is; are       D．a(chǎn)re; is

Every means ______ prevent the water from ______.

A. are used to; polluting                                          B. is used to; polluting

C. is used to; polluted                                             D. is used to; being polluted

Li Ming, as well as some of his classmates, ______voluntary work now.

A. are doing              B. have done       C. do                 D. is doing

The number of people invited ________ fifty, but a number of them ________ absent for different reasons.

A. were; was               B. was; was                C. was; were               D. were; were

The number of people who _________ English as a foreign language ________ more than 750 million.

       A. learns; is                  B. learn; are                  C. learns; are                D. learn; is

The number of people who speak English ______ large, and a large number of people ______ native speakers.

A. are; are         B. is; are           C. is; is          D. are; is

Lucy, together with some friends, ___ in the Australian bush tomorrow.

     A. are going a camp                                      B. are going camping 

C. is going a camp                                  D. is going camping

The number of people present at the meeting ________ about 1000, a large number of whom ________ experts from abroad.

A. was; was                       B. were; were             C. was; were            D. were; was