The new system has been designed to give students quick and easy ________ to the digital resources of the library.

At the meeting, the old man ________ some good advice about bringing down the market price of housing.

You may ______ it that Jennifer will come and help us if we are in trouble.

______ there are living creatures in the outer space as those on Earth hasn’t been proved so far.

He didn’t selfishly keep for himself the money inherited from his uncle. Instead, he made a ______ contribution to help the community.