He wants ________ a ball.A.buy B.buying C.to buy
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.
Excuse me, may I ______ your dictionary? ______ is at home.