they are students
They are buses
What are these
These are pens
is that an apple
yes, it is.
this is a chair
i am from China
it is an orange
如何将下列句子从单数转为复数,从复数转为单数?
they are students
They are buses
What are these
These are pens
is that an apple
yes, it is.
this is a chair
i am from China
it is an orange