Trees can also prevent the sand from toward the rich land.A. moving B. to move C. move
He couldn't _________an answer when I asked him why he was late.
--Could I________ your CD player, please? --Sorry . _________is broken.
--Do you want one way ________ round-trip? --Round -trip. We'll return __________December 8th.
--Surfing first started on the islands of Hawaii, didn't it? --Yes, but now it ______ by people all over the world.
--Could you tell us __________ ? --About two weeks.