.----Simon won the first prize in the math contest, do you know?----Yes, ________, he’d won several first prizes on the subject.
___experience, he is no more skillful than Alice in practical operation.
When we ___ electricity, we get heat from an electric heater.
In cold weather, it’s hard to get the car ___.
If anything happens, please keep me ___.
Taking enough rest and having more water will ___ your getting rid of your cold.