11. What the teacher said _______ our confidence to pass the exam.
A. added up to B. added to C. added up D. added
12. The Eight-treasure rice pudding was soon out of stock as it ______ amazingly delicious.
A. was tasted B. has been tasted C. has tasted D. tasted
13. Li Chang used _______ on the right in China, but he soon got used ______ on the left in
Australia.
A. to drive, to drive B. to drive, driving
C. to driving, to drive D. to drive, to driving