I can think of many cases students obviously knew a lot of English words and expressions but couldn' t write a good essay.
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.