_________ development of nuclear weapons is ________

_________ development of nuclear weapons is _________ threat to mankind.

#9210

The; a

The; the

A; a

A; the

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     moment he saw Zhao Benshan’s funny performances, he burst into     laughter．

#9368

A;不填

A；the

The;不填

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We are greatly encouraged by ______ great expectation the people of all ethnic groups in China have of us, and we are aware that this is also ______ important responsibility for us.

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a, the

the;an

the, the

a:/

Christmas is _______ special holiday when _______ whole family are supposed to get together.

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the;the

a;a

the;a

a;the

 He was    poorest man here years ago, but now he is       rich man.

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a; the

不填; the

the; a

不填; a

Jumping out of＿＿＿＿＿airplane at ten thousand feet is quite＿＿＿＿＿exciting experience．

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不填； the

不填； an

an； an

the； the

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