-There ______ many trees at the foot of the mountain.--But now they are slowly disappearing because of human activities.A.is used toB.used toC.used to be
You can’t put it here. You must ______the right place.
—______, can I smoke here? —No, you can’t, Look at the sign.
—Whose notebook is this? Is it ______? —No, ______is blue and yellow,
That’s Jim’s bag.Give ________,please.
Amy has_________.