一、单项选择(30分)
从每小题A、B、C、D中选出一个能填入句中空白处的最佳答案。
1. —I’m having trouble____with the rest of the class.
—Please don’t____.
A. to keep up; give up B. keeping up; give up
C. to keep up; look up D. keeping up; look up
2. —Can you finish the work on time?
—Sorry, I think I need____hours.
A. two another B. two more
C. more two D. another one