Unit 7 At weekends习题21、 给下列字母排序,组成新的单词,并写出它们的中文意思。e w e e k n d _ _ t i e r e n t _ _a w a l s y_ _ s o e m t s i m s _ _i v i s t_ _ l s u y u a l _ _2、 翻译下列短语网上聊天_ 去电影院_ 上舞蹈课_ fly a kite_go to the park _ have a picnic_come out _ get out _三、连词成句1. at, they, do, weekends, do, what (?) _2. Helen, do, does, at, weekends, what (?) _3. often, with, have, I, my, dinner, grandparents (.) _4. fly, they, a, have, kite, and, a, usually, picnic (.) _5. park, he, the, goes, with, to, his, family, sometimes (.) _