Stop making so much noise        the neighbor will start complaining.

 The scientist knew nothing about the matter, because he was always _________ himself in his study.

Interestingly, most of the cities I _________ just now are not favored by the Executive     Committee.

Tom asked the candy makers if they could make the chocolate easier ______ into small pieces.

 After recovering from his illness, he was advised to __________ gardening as a hobby.