【正文】
im. be worried about 擔(dān)心 … He looks tired and sometimes he sleeps in class. look tired sleep in class in class 與 in the class 的區(qū)別 ? sleep in class He’s often late for school. be late for… …遲到 ? Does he have a lot of homework? ? many 與 much??? He always goes to bed later than me. hand in 交上來(lái) on time 按時(shí) in time??? do