1．---______ did you first skate? ---Two years ago.
A. What B. When C. Why D. How
2．---______ have you been in class today? ---For two hours.
A. How often B. How long C. How many D. How soon
3．--- ______ the weather there? --- It’s windy.
A. What’s B. How is C. Which is D. Where is
4．—Excuse me, ________ is the library from here?
—It’s about 5 minutes’ walk.
A. How long B. How far
C. How soon D. How often
