【单选题】【消耗次数：1】
______, the experiment will be successful
①
If carefully doing
②
If did carefully
③
If carefully done
④
If doing carefully
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In such an emergency, one has no time to think carefully but to act ( ).
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exactly
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Betty advised me to label our luggage carefully in case it gets _____ in transit.
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Every one of you is looking forward ___ getting a good result. Better think carefully before writing down your answers. Wish you success!
①
?on
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【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Ruth listened to the boys story carefully and thought for a long time.
①
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随机题目
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游戏环境的刺激性
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③
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教工代表大会负责制