1.Their dictionaries are on the desk. (对画线部分提问) _____ _____ their dictionaries? 2.There is a library behind the science lab. (变成一般疑问句,并作肯定回答) --- ______ _____ a library behind the science lab? --- Yes, _____ _____. 3.My book is behind the desk. (变成一般疑问句,并作否定回答) -- _____ ______ book behind the desk? -- No, it _____. 4.They are not pencil- boxes. (改为单数句) It ____ _____ ____ pencil-box. 5.You and I are in the gym now. (用复数第一人称代替画线部分) ______ are in the park now. |