1.   And if you wanted it kept quiet, again it would be entirely up to you.

2.   But if he were really so loyal he would keep quiet.

3.   Elsie kept quiet about his affair and swallowed her pride, however.

4.   Environmentalists keep quiet because concern over radon in houses would divert attention from the campaign against nuclear power.

5.   He also keeps quiet and to himself, scribbling notes, thumbing through a book.

6.   I resolved to keep quiet about what I had heard, since it would only cause trouble.

7.   I soon learned that it was best to keep quiet.

8.   I think they should have kept quiet over that.

9.   Keep quiet!