问题
选择题
____ the workers’ working conditions, the boss will allow them to have a coffee break.
A.Improving
B.To improve
C.Having improved
D.Improved
答案
答案:B
本题考查非谓语动词。结合句意:“为了改善工人的工作做条件,老板将允许他们停下来喝杯咖啡。”可知此处非谓语动词应作目的状语,故选B项。