单项选择题
When should we hand in the homework（）
A. The more, the better. B. The sooner, the better. C. The quick, the better. D. The faster, the better.
单项选择题 For a long time after the operation, Linda found（）difficult to fall asleep.
单项选择题 You are（） your money if you buy clothes that you'll probably never wear.
单项选择题 His sister is（）than he.
