一．单项选择（15分）
( ) 1. ----Can you tell me how to study English well?
---- __________ more English words.
A. To memorize B. Memorize C .By memorizing D. Memorizing
( ) 2. Tom is thirteen. He isn’t _________ to drive a car.
A. calm enough B. enough calm C. enough to calm D. calm to enough
( ) 3. Do you think __________ should be allowed to drive?
A. sixteen-year-old B. sixteen-year-olds
C. sixteen-year-old D. sixteen-years-olds
