This is Mr. Green’s ________visit to America. He has never been there before.
It’s very cold outside. Most of the families keep their windows _________. openB. opened C. closeD. closed
Jenny went into the room, took off her coat and ______ down on a sofa.
—Where __________ you find your ticket? —I __________it on the ground.
—Is ______ here? ---No, Tom isn’t here. But it’s time to have class.
He turned around, but he couldn't see_______.