(1)用所给词的适当形式填空
①The fresh water is becoming less and less. (little)
②The harder (hard) he worked, the more he got.
(2)The higher the ground is, the thinner the air becomes.
离地面越高, 空气就越稀薄。
(3)The more careful you are, the fewer mistakes you’ll make in the experiment.
你越小心, 你做实验犯的错误就越少。
