1.
My g are tired after walking. They are sitting on the chair.
My g are tired after walking. They are sitting on the chair.【考点】
可数名词;
基础巩固
能力提升
变式训练
拓展培优
真题演练
My uncle is a bus d.
are on the book. 
book is on the chair. 
(candy) in my schoolbag.
