问题
选择题
You shouldn’t stand there _____ the milk ____ over.
A.watching; boiled
B.watching; boiling
C.to watch; boiling
D.to watch; boiled
答案
答案:B
考查非谓语动词。句中watching为现在分词作伴随状语;boiling 为现在分词作定语,修饰名词the milk。句意:你不应当站在那儿看着牛奶沸溢。