He's________hisbrotherthisevening.A

发布时间:2020-07-14 20:08:40

He's ________ his brother this evening.A.look afterB.look atC.babysittingD.babysiting

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C解析此句表达的是将来的动作,babysitt的v. -ing形式为babysitting,故选C。
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