The sun is than the earth （地球）.
A. big B. smaller C. bigger
Do you want some dumplings?
A.No,thank you . B.No, you can
Can I have some bread?
A.Sorry, you can’t. B.No I can’t.
What are you doing?
A.I’m making a cake. B.I’m making noodles.
What are they doing? They are .
A.playing chess. B.doing taijiquan.
What is he doing? He’s .
A.playinga toy train. B.taking pictures.