将下列句子进行单复数互换 These are pens Is this an orange What's that in _英语解答

将下列句子进行单复数互换 These are pens Is this an orange What's that in English
Those are apples Are these desks

人气：202 ℃　时间：2019-08-17 21:38:25

解答

This is a pen
Are these oranges?
what are those in English?
That is an apple
Is this a desk?