The advertisement says there will be a great celebration this Sunday．—Forget it．It’s a________．

The big flood has caused great to the local economies in Heilongjiang Province.

I know this is not quite the right word， but I can’t be bothered to think of ______.

The professor walked onto the platform and seated himself in a chair, for answering questions.[ ]

Learning about culture is ________ as learning grammar and words.