基本信息
unit 3 a healthy life ⅰ.语法单句填空 1．—john fell behind in his studies. —no wonder. he was addicted ________ (play) the qq farm online. 答案：playing 从john fell behind in his studies及no wonder可知a项正确。be addicted to“上了瘾的；入了迷的”。 2．every time he ________(come) to visit me, h
