你想知道照片上的男人是谁,你会问:________A.Who's she? B.Who's this man? C.Who's this girl?
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.