Some parents are just too protective. They want to their kids from every kind of danger, real or imagined.
Use your head. nothing taught by others can have the same effect on you as ________learned by yourself.
________swallow(燕子)doesn’t make ________ summer.
--Did Mary come to your birthday party? --No. I __________ her, but she was away on business.
All the preparations_________, we're ready to start.