三. 完形填空
       When I __1__ in London last year, it had one of the thickest fogs(雾) in years. You could __2____ see your hand in __3___ of your face. When evening fell, it became even __4___ . All traffic __5___ to a stop. I decided to walk.
       A few minutes __6___ , I couldn’t find my__7___ . Then I saw a young man and asked him to help me. He agreed. As I was following him __8__ the streets, he told me, “I know this part of London quite well. And the thick fog ___9__ to me. You see, I’m __10___ .”
1. A. is       B. was        C. am      D.  are
2. A. easily  B. hard       C. hardly  D. even
3. A. front   B. the front  C. back    D. the back
4. A. bad     B. worse      C. good    D. better
5.A. began    B. started    C. went    D came

6.A. late     B. later      C. early   D. earlier
7.A. road     B. way        C. street  D. home
8.A. along    B. in         C. through D. by
9.A. is not good            B. does good
C. is nothing             D. has something
10.A. strong  B. week       C. blind   D. clever