() Dr Black comes from New York or Chicago, I can't remembe

() Dr Black comes from New York or Chicago, I can't remember__________.A.which

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5人排成一排,如果甲必须站在排头或排尾,而乙不能站在排头或排尾,不同的排法种数是

5人排成一排,如果甲必须站在排头或排尾,而乙不能站在排头或排尾,不同的排法种数是 A.18 B.36 C.48 D.60

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第29题应填入( )

第29题应填入( )A.If B.When C.Since D.Until

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( ) Good use must be__________the computer which is now sitt

( ) Good use must be__________the computer which is now sitting idle. A.made of

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The author doesn't agree that__________ ( )

The author doesn't agree that__________ ( )A.buyers buy the clothes without labe

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