问题标题:
【Sarah,you’dbetterdrinkmorewaterafter______forsuchalongtime.()A.runB.runsC.torunD.running】
问题描述:
Sarah,you’d better drink more water after ______ for such a long time.()
A.run
B.runs
C.to run
D.running
冯清秀回答:
after在…之后,此处为介词,后接动名词形式;run跑,其动名词形式为running,故选D.
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