You ___________ finish the report today. Any time before this weekend is OK.
After the examination,the doctor asked the man to give up ______.
We met him at _____ very nice hotel .______ hotel is in the city center.
----We have a lot of cakes here.Help _____ to some more ,kids.----Thank you.
Billy is so tired _____ he worked all night in his office.
We must stop _____down trees if we don’t want a world without them.