完成句子
1 This is my friend. (改为一般疑问句)_____ _____ ______ friend?
2 They are orange jackets. (改为单数句)______ ______ orange _______.
3 Emma is her sister. (同义句改写)Emma ______ she _____ ______.
4 This is a backpack. (把a换成two改写句子) ________ _______ two ______.
5 What color is the letter? (改为复数句) What ______ ______ the letters?
6 This is my book. (改为同义句) The ruler _____ ______.
7 They are girls (改为单数句) _____ _____ ______ _____.