Module 5 Unit 1 Can you be my Chinese pen friend? 习题 2一、句型转换。1. Sam can play chess.(改成一般疑问句) _______ ? 2. I can speak English.(改成否定句) I ________ _________ English. 3. These are our addresses in China.(改成单数) This is _____ _____ in China. 二、连词成句。1. be,...