单句语法填空
1．The healthier(healthy) people are, the longer(long) they will live.
2．It’s said that the power plant is now twice bigger(big)than what it was.
3．Which is the larger (large) country, Canada or Australia?
4．According to scientists, the universe is getting bigger and bigger(big)．
5．The more_difficult(difficult) the problem is, the more_interested(interest) he is.
