— Who’s that boy reading in the garden? Is it David?— It ____________ be David. I saw him in the classroom just now.
We’re going to Suzhou Amusement Park in Linda's card. You can come with us______you can meet us there later.
Paul made a nice cage _______the little sick bird till it could fly.
Julie,what ______in your hand? Look! It’s a new iPad for my daughter.
Peter speaks Chinese well indeed,but of Course not ______a local speaker in China.
Frank,you look worried.Anything wrong? Well,I ______a test and I’m waiting for the result.