改错：Although he is very busy,but he exercises half an hour ev

改错：Although he is very busy,but he exercises half an hour ev He is very busy.He exercises in his free time.(用although把两个句 he is very busy,but he still exercises every day.的同义句是什么? 改错：Although Tom is busy,but he often helps us with our study Although he is vevy busy,but he often helps us. Although he is very clever ,but he does not work hard.句子改错 I It is about half an hour since he came here. He is very busy for his work 改错 改错of all the workers ,he is very busy 英语 He is very busy,he exercisses in his free time(用although把 he takes about half an hour to get to school改错 But a_ an hour ,he is still looking for it