—Miss Chen, I have trouble________ the text.—Remember ________it three times at least.[ ]A. to under

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• 下列关于假设的叙述中，不正确的是A．假设是对问题的一种可能的解释B．假设是一种无端的猜测C．假设要以事实或生活经验为依据D．假设与结果可以一致，也可以不一致-七年级生物
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• For a year, black people refused __________ the city house.[ ]A. takingB. to takeC. seatD. to sit on
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• —I'd like ________ the after-school club,but I'm not sure what I should do.—What do you li
• It's convenient _ _ by bus in Hong Kong. [ ]A. travel B. to travel C. traveled-九年级英语
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• We stopped , but there was no more sound. [ ]A. listening B. to listenC. to listening-九年级英语
• His mother decided ________ her holiday in Tianjin.[ ]A. spendB. spendingC. to spend-九年级英语
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• 要了解植物在公园中的分布情况，常用的科学方法是（）A．测量B．调查C．观察D．实验-七年级生物
• The man put on his glasses __________ see clearly.[ ]A. thatB. so that toC. in order thatD. in order
• I haven't got an armchair_________. Will you make room for me?[ ]A. To sit B. to sit inC. for s
• 用所给词的适当形式填空。1. Everyone wants _______ ( achieve) his or her dream.2. I think Zhang Renjie is much___
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• 科学探究是学习和研究生物学的重要方法。下列关于“尝试探究水温对金鱼呼吸次数影响”实验的相关叙述中，正确的是A．实验过程中不需要用温度计测量水温的变化B．实验组和对照组除-八年级生物
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• 今年5月在阿根廷中部发现了身长超过40米的泰坦巨龙类恐龙化石，这种巨型恐龙比以前发现的霸王龙、剑龙等都要大，是目前世界上发现最重也是最长的恐龙物种。得出这一结论所运-七年级生物
• It is important for us ______ English well. [ ]A. to learn B. learning C. learns D. learned -八年级英语
• My little brother wants_____ a movie actor.[ ]A. isB. beC. to beD. to is-七年级英语
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• That is a good place hang out.[ ]A. forB. toC. on D. with-九年级英语
• Mother often tells Tom ______ too much time playing video games. [ ]A. not to spendB. to not spendC.
• He is patient enough ______ for a long time without ______ angry.[ ]A. waiting, gettingB. waiting, g