下列各组字母中全部是元音字母的是 ____。A. a, e, o, r B. a, i, u, e C. o, u, e, n
I hear someone ________ in the room now.
—Is there ________ in today's newspaper?—No.
Sorry, your car ______in front of the hotel.
I wonder________ he will come back tomorrow.
—Did you find your lost key?—No, but I think ________ must have picked it up.