选词填空. (1)What’s he__________now? (2)What are they going to_________soon?(3)What__________Tom doing? (4)Can you sing?-Yes, I__________.
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.