I used to go camping a lot, so it isn’t the first time I ____in a tent.
I’ll have my winter(冬天) vacation(假日) in Xiamen this year.–It’s a nice place. ____ your vacation.
We’re tired because we have ________ yin.
We all find ________dangerous to skate on the thin ice.
What does the fresh juice contain ?— of the juice orange . It’s very pure .