改错1、Bob is much more carefully now than he was two years ago2.You needn't take a raincoat with you until you think it's going to rain.3.Although he is young,but he knows many things that we don't know.4.Sandy gets up very early every day in order to she can catch the bus.

问题描述:

改错1、Bob is much more carefully now than he was two years ago
2.You needn't take a raincoat with you until you think it's going to rain.
3.Although he is young,but he knows many things that we don't know.
4.Sandy gets up very early every day in order to she can catch the bus.