全國職稱英語考試衛(wèi)生類C級課堂筆記完型第二講4

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Some were worried __15__their need for care would be a burden on their families，she said．
    15．D．分析：借助習慣搭配結(jié)構(gòu)（be worried about sth./ be worried that..）直接判斷答案。