What _____ you doing? A. are B. am C. is
There _______ some pencils in the box. A. isB. beC. are
You can catch the ball _______. A. goodB. wellC. OK
--- Is it Amy’s bag? --- Yes, it’s _________. A. herB. hisC. hers
--- _______ did you do? --- I visited lots of places. A. WhatB. WhyC. Where
The bell ______ at nine o’clock. A. ringB. rangC. rings