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is true friendship is that he or she would like to do all she can           his or her friends when they are in trouble．
A．What；helpB．It；to helpC．What；to helpD．Which；help
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Don’t touch anything __________ your teacher tells you to.
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---Tom hurt his left leg in the game this morning.
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serious the economic situation is, they still have confidence in overcoming all the difficulties.
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.It was already one in the morning         I saw the dull yellow eye of the creature open.
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Some believe we are equipped with a special ability to learn a language and       our brain adjusts itself to the language we hear around us.
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They did the experiment in the lab _______ was named after Professor White.
A．whereB．whichC．the oneD．what

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