Tom dare not his parents that he didn"t pass the exam. [ ]A. t

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Tom dare not          his parents that he didn"t pass the exam.      [     ]
A. tell
B. told
C. telling
D. to tell

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举一反三

The light bulb was _____ by Thomas Edison. [ ]
A. improved
B. created
C. discovered
D. invented

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—Can you tell me who        the telephone?
—Alexander Graham Bell.[     ]
A. invented
B. discovered
C. created
D. found

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We should do something in order to          the balance of nature,  [     ]
A. remain
B. draw
C. keep
D. pack

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When we           we draw air into our lungs.    [     ]
A. drink
B. laugh
C. breathe
D. eat

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An apple a day _____ the doctor away.  [     ]
A. lets
B. puts
C. runs
D. keeps

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