outside
                    - It’s cold outside. ______ your sweater before you go out.
 - It’s cold outside. You need to _______ your sweater before you go out.
 - Is the man standing outside the teacher’s office Mr. Zhou? –No, it ______ be him. He has gone to Hong Kong for an academic conference.
 - It is snowing outside. Why not close the door to_________ the cold air?
 - It is cold outside. You’d better wear warm clothes to the cold. –Ok, thanks.
 - It is cold outside. You’d better wear warm clothes to ________ the cold. –Ok, thanks.
 - It’s windy outside. Could you please close the windows to the cold?
 - We’ll ___ for you outside the school gate.
 - It __________ hard outside, let’s not go shopping.