Unit2TherearefortystudentsinourclassLesson11练习题一、写单词1.pen_______6.ninety_________2.pencil______7.Onehundred_______3.bag________8.student_________4.book_______9.need___________5.fifty________10.school_________二、算一算1.Fifty+Fifty=________2.Fifty+forty=________3.Thirty+sixty=_______三、看图写单词1.______________2._____________3.____________4.____________5._____________四、算一算1.Fifty+forty=2.Seventy+thirty=3.Sixty+thirty=