句型转换。 1. My mother can play table tennis. (改为否定句) My mother ______ ______ table tennis. 2. Lingling's sister can type. (改为一般疑问句,并作否定回答) —______ Lingling's sister ______ ? —No, ______ ______ . 3. My mother and father are doctors at the hospital. (改为同义句) My ______ ______ doctors at the hospital. 4. Betty and Sam are from America. (对划线部分提问) ______ ______ Betty and Sam ______ ? |