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. I know the difference between these two words. So ______ they.
A. know
B. will
C. do
D. does
正确答案：C
6．答案为C我知道这两个词的区别他们也知道so表示“也”句型为so+助动词+主语根据前一句的谓语动词得知应选C
