Michael and his friends practise ________ table tennis after school every day.
play
played
playing
to play
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.