—We must stop ________ plastic bags (塑料袋).
—You’re right. It’s bad for our environment(环境).
A. use B. to use
C. used D. using
—Excuse me. Look at the sign: NO PARKING!
—Sorry, I ________ it.
A. don’t see B. didn’t see
C. wasn’t see D. won’t see
Listen! ________ is knocking on the door. Go and see who it is.
A. Everybody B. Anybody
C. Somebody D. No one
It’s very cold outside. Most of the families keep their windows _________.
open B. opened C. close D. closed
Jenny went into the room, took off her coat and ______ down on a sofa.
A. sits B. sat
C. is sitting D. will sit
—Where __________ you find your ticket?
—I __________it on the ground.
A. did, found B. do, found
C. were, find D. will, find
