小题1:This is your sister.(改为一般疑问句) your sister? 小题2:This is my parent.(改为复数形式) are my . 小题3:Those are my friends.(改为单数形式) is my . 小题4:That is a pen. (改为否定句) a pen. 小题5:That is a pencil .(对划线部分提问) that?
【简答题】You want to run across the street to catch the bus which is leaving soon? But wait! You’d better not. If a policeman sees you, you’ll have to pay a fine (罚款). New traffic laws (交通法) say that if people...