用所给词的适当形式填空
(1)I'll remember____ (mail) these letters.
(2)We're looking forward to____ (hear) from you.
(3)Yesterday I____ (buy) a new dress at the Macy's for my mum
(4)Madee ____  (lie) in her bed now.
(5)Look! The old man is sitting  ____    (quiet),reading today's newspaper.
(6)Take the fourth ____  (turn) on the right.
(7)One of the red key rings belong to ____   (he).
(8)Do you think the people there are____  (friend) to you?
(9)Let's go the supermarket, ____ we?(will)
(10)When I passed the classroom, I heard a girl____ (sing)in it.