The warm water will heat the house a bit. By _____ the water, all of the heat just goes into the sewer pipes.
When vs. WhileAdverb of MannerCoordinate Conjunction
Next quiz: Grammar
___ do you prefer, vanilla or chocolate?
How to use : Read the question carefully, then select one of the answers button.
Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.