【正文】
try to do study better學(xué)得更好 be different form與……不同 want sb. to do Unit 2have a cold感冒 have a headache頭痛at the moment此刻 keep in good healthy保持健康 stressed out有壓力的 lie down躺下來 have a rest休息一下 see a doctor看醫(yī)生 too many\mach太多的 fell well感覺良好 western countries西方國家 be angry with對某人生氣 host family寄宿家庭 need(sb.)to do (某人)做某事 get tired變得疲勞