句型转换。 |
①This is my ruler.(改为复数形式) _____ _____my _____ . ②Are those your sisters?(改为单数形式) _____ _____your ______ ? ③He is my grandfather.(改为一般疑问句并作肯定回答) _____ _____ ______grandfather? _____,_____ _____. ④That is his friend.(改为否定句) _____ _____ _____friend. |