In the second year of college, we will see ourselves as______________.
We can find weekly magazine, monthly magazine and _______________(季刊) in our library.
This bottle of milk could go bad if you fail to check the _____________ (最佳饮用日期).
out of date
date of expiry
Middle school and high school can be called as_____________(中学).
--- Jack hurry up! You are 30 minutes late for this class!
---- clam down, you know it's just a____________ (选修课), no big deal!