Look my family.A.at B. in C. of
It is very ______ of you to make such stupid mistakes.
-- Mom, we are running out of milk.-- Let's go to the ______ to buy some.
In order to give children a better life in the future, we should ____ the environment.
Excuse me, may I ______ your dictionary? ______ is at home.
There are _____ oranges on the table.