英语翻译 大神们速度我可以借你的字典吗?当然可以.我们不可以把垃圾扔进河里.那男的不可能是我们新的数学老师.你知道怎样骑

May I borrow your dictionary ? - Of course.
We can't throw the rubbish into the river.
That man can't be our new maths teacher .
Do you know how to ride a horse ?