Could you please help me (out|with) this math problem?应该选哪个,不选的的那个为什么错?
问题描述:
Could you please help me (out|with) this math problem?
应该选哪个,不选的的那个为什么错?
答
Could you please help me (out|with) this math problem?
应该选哪个,不选的的那个为什么错?