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operate(名词)grate(形容词)ill(名词)medicine(形容词)volunteer(形容词)diffcult(同义词)grow(名词)begin(过去分词)

题目详情
operate(名词) grate(形容词) ill(名词) medicine(形容词)volunteer(形容词) diffcult(同义词) grow(名词) begin(过去分词)
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答案和解析
operate(名词)operation
grate(形容词)grsateful
ill(名词) illness
medicine(形容词)medical
volunteer(形容词)volunteer
diffcult(同义词)hard
grow(名词)growth
begin(过去分词)beginning