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- The students in our school have ________ days off and spend _________ time doing their homework.
- The world’s population is growing ______, and there is ____ land and water for growing rice.
- You should be _______ careful when you take the chemistry exam.—I agree. In this way, I will make _______ mistakes.
- Would you please drive______? My plane is taking off.—-I’d like to, but safety comes first.
- She isn’t her sister Tina.
- The population of China is much ______ than that of ________ country in Africa.
- Why was Mrs Smith angry with Jack?—Because he worked than the others.
- The more you smile, the ___________ you will feel.
- Paul isn’t as ______ as Sandy. He often makes mistakes in his homework.
- I don’t study as ______ as Amy and always make more mistakes in my homework．