The captain ordered the crew to throw ______ the side of the ship all heavy guns and even stores in order to raise the boat in the water.
you had better drop your parents a ________ in case (以防)they are worrying about you.
If you are left _______ on a _________land, how will tou make a living?
He studies in the evening instead ________ the day.
Make yourself ________home and help yourself _______anything that you’d like to eat.
What was it ________you found in the hotel?