Loading ad... KitMember for 3 years 5 months Age: 7-9 Level: 2 Language: Chinese (zh) ID: 2045262 22/05/2022 Country code: HK Country: Hong Kong SAR China School subject: Chinese Language (CL) (1061942) Main content: 閱讀課 (2003787) From worksheet author: 通過閱讀故事,學生能明白什麼是摩擦力。 Other contents: 資料 Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...