Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.

Frank almost never received any education ，（）?

Mary tiptoed over and took the clock away because she hated to hear it___when shewas trying to go to sleep.

Under this（）pressure some of the rocks even became liquid.

If your car _____ any attention during the first 12 months, take it to authorized dealer.