—Why didn't Tom come to school?—He___and hurt his leg.A.fell down B.fell off C.falls down D.fells off

—Why didn't Tom come to school?—He___and hurt his leg.A.fell down B.fell off C.falls down D.fells off
—Why didn't Tom come to school?—He___and hurt his leg.
A.fell down B.fell off C.falls down D.fells off

—Why didn't Tom come to school?—He___and hurt his leg.A.fell down B.fell off C.falls down D.fells off
A
跌倒了；摔跤了

A
首先要用过去式，所以CD不对
fell down摔倒
fell off 跌落
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A，摔倒

A
从并列谓语hurt就能看出是一般过去时，所以CD就死掉了
而fell down 是不及物词组
fell off =fell down from ，及物词组
句子就没掉下来的具体地点，于是乎就只能选A啦

A 跌倒，摔落 一般指突然