--- The weather is too cold _____ March this year. --- It was even _____ when I came here years ago.
The old man used __________ in front of his house and he has got used to __________ like that.
I found the homework was not so heavy as __________ I __________ to get in my old school.
—May I ask a question after class, Sir? — __________, but not during my lunch break.
Many people have fully realized it's important to keep __________ balance of __________ nature. Otherwise, humans will be punished by it.
He lost his __________ and fell off his bicycle.