It is quite common for a working man to make ______ for his old age by putting aside enough money to live on.
Qingdao is _______ beautiful city in summer.
When you drive home, you can’t be_______careful.
often say that something is “as light as air”, but air is___light.
—— Is the bus stop far from here? —— It’s a quarter’s walk, ________.
I’ve got ______work to do on a ________ cold day.