— Thank you for helping my sister with her English, Mr. Li.
— ___________.
A:It's very kind of you.
B:Never mind.
C:It's a pleasure.
把方程3x+y=2,写成用含y的形式为( )
Running can help me ____ ____ ____ my day.
以色列建国后,第一次中东战争爆发,在战争初期阿拉伯国家占据优势。但停火后,以色列却控制了战争的主动权,其原因是( )