你好!
1. Look!He is【looking at】the girl【playing】the piano.
2. My father often【teaches】us【to learn】to【swim】in summer.
不懂请追问,满意请采纳.
你好!
1. Look!He is【looking at】the girl【playing】the piano.
2. My father often【teaches】us【to learn】to【swim】in summer.
不懂请追问,满意请采纳.