1.Don't just listen to others.We'd better go and see ( )ours

1.Don't just listen to others.We'd better go and see ( )ourselves.[填介词]
2.这些书将为我们提供所需要的全部信息.
These books will ( ) us ( ) all the information we need.
3.我们开了灯,以便能看见它是什么.
We turned on the light ( )( )we might see what it was.
4.The meeting began twenty minutes ago.
The meeting ( )( )( )( ) twenty minutes.【同义句】
5.这对夫妻用多年的积蓄在城里买了一所大房子.
()()()they saved for years,the couple bought a big house in the city.
6.I jooinde the club whn I came to the school.
I have ()()()()the club ()Icame to the school.【同义句】