f modern agriculture, more and morewaste is produced.

He had a lot of friends, none of _____ could lend him any money.

It came as a great _______ to the parents thattheir son finally came back safe and sound

We have just heard a warning on the radio _____________ a typhoon may be on its way

Rock music ______ sound popular with the young, but it’s not the favor of the aged people.