The little boy won’t go to sleep his mother tells him a story. A. or B. unless C. but D. ——青夏教育精英家教网——

摘要： The little boy won’t go to sleep his mother tells him a story. A. or B. unless C. but D. whether [解析]B.考查连词.由句意可知孩子除非听了妈妈讲故事后才睡觉.只有unless符合句意.unless相当于if not.

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The little boy won’t go to sleep ______ his mother tells him a story.

A. or B. unless C. but D. whether

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The little boy won’t go to sleep_______his mother tells him a story.

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The little boy won’t go to sleep_______his mother tells him a story.

A． or

B． unless

C． but

D． whether

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The little boy won’t go to sleep_______ his mother tells him a story.

A. or B. unless C. but D. whether

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The little boy won’t go to sleep ______ his mother tells him a story.

A. or　 B. unless　 C. but　 D. whether

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