Ⅱ. Vocabulary and Structure ( 15 points ) Directions : There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer Sheet. 6. Jonathan and Joe left the house to go for__ after supper.
A、walk
B、the walk
C、wallks
D、a walk
29.
A、that
B、who
C、what
D、as
13.__ is known to the world, Mark Twain was a great American writer.