He thinks watching movies ________.
—We must stop ________ plastic bags (塑料袋). —You’re right. It’s bad for our environment(环境).
—Excuse me. Look at the sign: NO PARKING! —Sorry, I ________ it.
Listen! ________ is knocking on the door. Go and see who it is.
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.