575.At the age of 20,Dave was a worker,________ in a small apartment near Boston and ____ what to do about his future.
A.living;wondering
B.lived;wondering
C.lived;wondered
D.living;wondered
576.The government plans to bring in new laws ______ parents to take more responsibility for the education of their children.
A.forced
B.forcing
C.to be forced
D.having forced
575.答案是A;现在分词作定语修饰a worker,and连接两个并列的成分。
576.答案是B;现在分词短语作后置定语，修饰New laws,相当于which force。
