Our house is on the top of the hill, and in winter the winds be pretty cold.
--Hi, Betty. Shall we go swimming this Sunday? --This Sunday? I am sorry, I have a lot of homework ____ this Sunday.
Although Jeff loves KFC, he tries ____ it too often.
Who do you think you’d like ____?
When you leave, don’t forget ____ off the light.
It ____ Jack twenty minutes ____ the math problem yesterday.