---Can you finish the difficult task in such a short time? ---No, it is beyond my __________.

There was only one ____ of transportation in this mountainous area five years ago.

Clearness of______is more important than beauty of language.

That farmer has many ____ on the farm.

She offered a (an) ______ 500 yuan for the return of her lost wallet because there are many important things like ID card and keys in it.