4、tdonemuchexercise_______Igotmycomputerlastyear.思考:1.现在完成时的特殊疑问句一般用________________来提问.2.主语+现在完成时+for+_____________3.主语+现在完成时+since+__________________.二、句子分析与运用1.I feel ill. 辨析ill与sick共同点:区别:2. Do you do any exercise?exercise意为(1)_________________(不可数名词)(2)__________