一Mum,I've got a bad headache!一Oh,______.Take this medicine three times a day and you'll be OK.
Keys _______ used for ______ the doors.
The car is ______ expensive. I don’t have ______ money to buy.
It took _________ people _________ the work.
They were _________ when they heard the _______ news.
—How about going hiking this weekend? —Sorry, I prefer _____rather than _____.