The best title for the passage is __.

The best title for the passage is __.A.Simplify Your Life B.Enjoy Your Life C.

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根据以下资料,回答题。  Years ago, a cigarette commercial asked if you

根据以下资料,回答题。Years ago, a cigarette commercial asked if you were smoking more, but

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Many animals may be trained to do simple jobs if they know _

Many animals may be trained to do simple jobs if they know __.A.who their train

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Your sister doesn’t study as as you do.

Your sister doesn’t study as as you do.A.hard B.hardly C.harder D.hardest

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She tried hard, __ she was unsuccessful.

She tried hard, __ she was unsuccessful.A.therefore B.but C.or D.unless

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