Look ________ my kitchen.A.at B.in C.on
What's your mother's ________? A.work B.do C.job
What class are you ________? A.at B.in C.on
How old ________ your brother? A.is B.are C.does
Where ________ your father now? A.is B.are C.was
I can't ________ my key. A.look for B.find C.look