Acute hearing helps most animals sense the approach of thunderstorms long before people______.

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问题 Acute hearing helps most animals sense the approach of thunderstorms long before people______.

选项 A、do
B、hear
C、do them
D、hearing it

答案A

解析 句子为一般现在时,且people为复数名词,所以该空应填的完整内容为:sense the approach of thunderstorms,但为避免重复,可用do代替,如:Ramona does a lot of jobs in the house,but her sister doesn’t.(雷蒙娜在家里做很多活儿,可是她妹妹却不做。)
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