Scientistsareincreaselythatthe

Scientists are increasely _____ that the earth is getting hotter because of carbon dioxide and other gases.

A．content

B．conscious

C．convinced

D．common

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We have every reason to believe that ______ 2012 Olympic Games in London will be ______ success.

A．/; a

B．the; /

C．the; a

D．a; a

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---Oh dear! I’ve just broken a glass.
--- Never mind. _____.

A．It can’t be helped	B．You are so careless
C．You are welcome	D．Bad luck

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Those natives who _________ move from place to place with their animals in the past have moved into new houses at last.

A．could

B． would

C． might

D．should

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—Yes．When I was in Sydney, I ______ it twice．

A．have visited

B．had visited

C．visited

D．would visit

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The traffic accident _________all his life. After that he was limited to a wheelchair.

A．damaged

B．destroyed

C．harmed

D．ruined

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