一、單项选择。 ( )1. Look!Some boys ________ basketball in the playground. A. are playing B. playing C. are play D. is playing ( )2. —Did you do ________ last Sunday? —Yes, I went to the countryside and
1. used to do和be used to doing used to do意为“过去做某事”,后面接动词原形。例如: He used to like junk food. 他过去喜欢吃垃圾食品。 be used to doing意为“习惯于做某事”,后面接动词ing形式。例如: He is used to getting up early. 他习惯于早起。 2. die, dea