是用act at ,act in还是 act on（the play)

是用act at ,act in还是 act on（the play) 请问act in a in a childlike act act in a certain act in a capacity是什么意思 act in a capacity是什么意思 Act “act act to act in a play啥意思? act in a TV play 翻译 There is a lot of beautiful a____ in the film and I like it是act 还是 action Act in English的意思是 I saw lots of（）（act）at the party 用所给词的适当形式填空是act还是acting还是action还是activities.啊我认为语境可能是表演的意思 They want to act ()the balloons and dolls.A.at B.with C.in act in concert 到底SAT还是ACT Act还是sat