(1)This is a pen.(2)Are these oranges?(3)What's that in English?(4)Is this an apple?

问题描述:

(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?

These are pens.
Is this an orange?
What are those in English?
Are these apples?
Is this a pencile?