Food safety is important. Rules _____ to stop people from food pollution.
I have ______ money than you, but I have _______ friends than you.
Can you see______11-year-old boy and ______one-year-old cow in the field?
She______know the answer, but I’m not sure.
—Our family are travelling to Hong Kong for holidays.-- ____________!
The more careful you are, the ____ mistakes you will make.