用所给单词的适当形式填空.

问题描述:

用所给单词的适当形式填空.
Lucy and Lily ____(is)in different grades.
Are____ (thai)Chinese______(book)?
_______(it)are _____three____(bike).
_______(he)fax number is 010-62525211.
______(this)are _____(orange).

are
these,books
They,bikes
His
These oranges