谁帮我解决这些问题？

翻译：

这条河过去是很干净的。This river ( ) ( ) ( ) ( ).

他以前不常喝酒。 He ( ) ( ) ( ) ( )

我的舅舅一辈子都没有坐过飞机。 My uncle didn't take a plane ( ) ( ) ( ).

一个人完成这项工作是很难的。（ ） （ ） （ ） （ ） （ ）the work ( )

同义句转换（每空限填一词）:You can go to the cinema by yourself.

You can go to the cinema( ) .

Don't forget to bring your umbrella.

( ) ( ) bring your umbrella.

The river is very clean in the past

He had seldom drink

My uncle had never been the aircraft life

A person is very difficult to finish the job

You can go to the cinema only

Please remember