1 . 很多孩子太沉迷于电脑游戏，以至于他们对学习失去了兴趣。
Many children are__________ __________ __________ computer games__________ they lose their interest in study.
Many children are
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2 . It was only when I got home two hours later that I realized I’d forgotten it and there was nothing I could do as the library was closed. I was ________ ________ ________ I almost cried. （根据句意填空）
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3 . There are ________________ (有这么多的书以至于) I can't decide which one to buy . (that)
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