OEC L2: The skateboard is missing 滑板不见了OEC Level 2 Student's Book 10: The skateboard is missing Oxford Elementary Chinese (OEC) is a four level series, designed for young learners of Chinese. Using a communicative approach based on engaging stories and activities, the series enables learners to build strong listening and speaking skills. It also helps them develop an interest in reading, writing and different cultures. * *Please note that the pictures on the inner pages of the sample book