单复数句互换1、That is a key.2、They＇re English girls.3、What color is your jacket?4、He is my friend.5、It＇s a black pen.

单复数句互换1、That is a key.2、They＇re English girls.3、What color is your jacket?4、He is my friend.5、It＇s a black pen. 单复数互换：1This is a pen.2.Are these oranges?3.What's that in English?4.Is this an apple?5.Are these pencils? What color is your jacket?(单·复数句互换） What color is your jacket?(单·复数句互换） (1)This is a pen.(2)Are these oranges?（3）What's that in English?（4）Is this an apple?单复数互换还有一个 Are these pencils? That child is very good 怎么转换单复数句 that is a pencil.改为复数句 is that a mouse?改复数句 is that a dish?复数句 That is a ruler作复数句 That is a dictionary.改为复数句 That is a pencil.改为否定句,单复数转换,一般疑问句或提问,肯定句做回答. Is this your English book?单复数互换 that is a bus.(变为复数句）that is a bus.(变为复数句） 将下列句子进行单复数互换 These are pens Is this an orange What's that in EnglishThose are apples Are these desks 将下列单数句变为复数句 1,That is a jacket 2,She is anic将下列单数句变为复数句1,That is a jacket2,She is anice girl3,What color is it4,Is this your friend Is that a bus?(改为复数句） is that a watch?改为复数句急