It is still under discussion ________the old bus station should be replaced with a modern hotel or not.

We’ll not attend his party _____ we are invited[ ]

it is going to clear up keeps me wondering.

He worked hard at school, ____ leads to his success in his later life.

ing to the school rules, ifa student _________ happen to damage something by accident,he/she should reportit to a teacher or the office immediately.