1、Unit9SectionAPeriod1随堂练习一.单项选择。( )1、Have you met Mr. Li______? A.just B.agoC.before D.amomentago( )2、—Ourcountry ______alotsofar. —Yes.Ihopeitwillbeeven______.A.haschanged;well B.changed;goodC.has changed;better D. changed;better( )3.We______Xiao Li since she was a