-Where is you sister?. - A. She’s at home. B. She is from the USA. C. She is tall.
Your brother looks _____ younger than you.
Would you mind _____ the window for me?
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.