当你的朋友遇见你说:“How are you?” 你应回答____________。A. GoodbyeB. Fine, thank you.C. I’m thirteen.
The boy is _______ to look after himself .
—Will people live to be 300 years old?— ______________.
There are about seven ____ students in Grade Eight in Chezhan Middle School.
His mother ____ in a village five years ago.
I will work in Beijing ____ ten years.