John complained to the bookseller that there were several pages______ in the dictionary.

_ is known to the world, Mark Twain was a great American writer.

I haven' t been to a pop festival before and Mike hasn' t __

You'd better take these documents with you __ you need them for the meeting.

If their marketing team succeeds, they __ their profits by 20 percent.

在我国作为生产力的人应当与现有的生产资料()

Nowadays little knowledge __ to be a dangerous thing.

资本主义再生产周期的决定性阶段是()

资本周转时间包括()

My father asked __ to help with his work.