The writer was so _______ in her work that she didn’t notice him enter the room.

下列各句中，没有语病的一句是( )

He didn’t make ________ preparations, or he would have succeeded in the job interview.

We never _____ heroes’ life though we’re interested in.— Really I’ll offer you some books about it.

There is still much to discuss. We shall, ____, returnto the problem next time.