You____hand in your paper on Monday or you will lose 10 percent of your final score.
A、can
B、should
C、may
D、would
Ⅱ . Vocabulary and Structure( 15 points )Directions: There are 15 incomplete sentences in this section. For each sentence there are fourchoices marked A, B, C and D. Choose one answer that best completes the sentenceand blacken the corresponding letter on the Answer Sheet.6. The world will be different, and we have to be prepared to____ to the change.
A、agree
B、turn
C、adapt
D、move
Which of the following is closest in meaning to “socialize” in Paragraph 2?