24．(2011年黄山模拟)________late in the afternoon, Bob turned off the alarm.
A. To sleep B. Sleeping
C. Sleep D. Having
解析：不定式作目的状语。句意为：为了下午多睡一会，Bob关掉了闹钟。
答案：A
25. (2011年枣庄模拟)With a lot of difficult problems________， the newlyelected president is having a hard time.
A. settled B. setting
C. to settle D. being settled
解析：“新当选的总统日子不好过”是因为“有许多问题要解决”，表示“有……要……”用不定式作定语。
答案：C
