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Bob isn't good at math,but he tries ____________ hard
求解此空是填working还是to work.
人气:297 ℃ 时间:2020-04-14 14:48:55
解答
填 to work.这是表示目的,try to work hard 努力学习.
try sth是尝试.比如try this shirt试试这件衬衫
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