Doeseveryoneknowwhattodoifafir

Does everyone know what to do if a fire ______?

A．is broken up

B．breaks up

C．is broken out

D．breaks out

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After the SixParty Talk in Beijing, an agreement was reached _____that North Korea would abandon（放弃）_____ nuclear weapons.

A．stating(声明); to develop	B．stating; developing
C．to state; to develop	D．states; developing

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________ his lessons , he failed in the exam.

A．Not reviewing

B．Having not reviewed

C．Not reviewed

D．Not having reviewed

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A．can you find

B．you could find

C．you can find

D．could you find

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This problem may lead to more serious ones if_______ unsolved.

A．making

B．left

C．remained

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________, you need to give all you have and try your best.

A．Being a winner	B．To be a winner
C．Be a winner	D．Having been a winner

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