The system has been designed to give students quick and easy ______ to the digital resources of the library.
The Great Wall is _________________ tourist attraction that millions of people pour in every year.
They began to consider what use could ___ the natural resources(资源).
____ number of students in our class ____ larger than that in theirs.
He refused to ___ to the terrible weather only at the last moment because he had no choice.
It’s known to all that life’s ____ is full of hardships.