21. --- How did the accident happen?
--- I was walking along the sideway. A car gave off _______ light. I can’t see the way clearly.
A. far too much B. far much too C. much too far D. too far much
22. --- What’s the matter with you?
--- _______ the window, my finger was cut unexpectedly.
A. Cleaning B. To clean C. While cleaning D. While I was cleaning
