当你被介绍认识某人后, 你应该说: “____”.A. Good morning! B. Thank you! C. Nice to meet you!
Our music teacher is a beautiful girl. She is like a sister _____us.
There is a very big river _____ their school _____ the village.
It’s easy ________ chess.
How long does it take you _____ to work?
_____ our group, Li Fei often goes to bed late _____ school nights.