句型转换。请根据括号内的要求改写下列句子。 1.This is an eraser.(改为否定句) _______an eraser. 2.This is my friend.(改为复数句子) ________my _________ . 3.She is my friend.(变一般疑问句) __________she _______friend? 4.This is my brother.(就画线部分提问) ________________? 5.Are these your friends?(作否定回答) _________ ,___________ .
答案:1.This isn’t. 2.These are friends. 3.Is,your. 4.Who is this?5.No,they aren’t.