同意句转换1You don't need to wear uniforms today 2we study English very hard

There is no need for you to wear uniforms today .
We make great efforts in learning English.

You don't have to wear uniforms today .
We make great efforts in learning English.

1.You don't need to wear uniforms today.
= You needn't wear uniforms today.
= You aren't supposed to wear uniforms today.
= You don't have to wear uniforms today.
= There is no need for you to wear uniforms toady.
2.We study English very hard.
= We study very hard at English.
= We work very hard at English.