viết lại câu, dùng thì hiện tại đơn hoặc quá khứ đơn
a) Bao/ help/ his friends in the orphanage/ play volleyball/ last week.
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b) Hoa and her friends/ raise fund/ for the poor/ sell/ their embroideries/ in the school student 's shop.
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c) Song / always/ play/soccer/ every Saturday afternoon/ . but/ last Saturday afternoon/ he/ play basketball.
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d)The students/ like/ take care of the trees in the parks/./ They/ plant and water/ trees and flowers/ Kim Dong Park/ last weekend.
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e) Hung/ love/ attend the class social activites/./ He /help/the elderly and the street childen/ every Saturday àn Sunday
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