It’s necessary to have some____ knowledge for this job.

 We are working on the _assumption__________that everyone _________ will turn up.

—What’s the central idea of the passage，Bob?—Sorry，I can’t make________of it.It’s beyond my ability.

．It is well known that the Internet will let people have __________ to huge amounts of information from their own homes.

From the top of Mount Tai, you can get a wonderful _______ of sunrise.