To earn money for his education,Tom has to take on more work than ______ good for his health.选项:A.to be    B.that is    C.which    D.is  这道题选啥?

问题描述:

To earn money for his education,Tom has to take on more work than ______ good for his health.
选项:A.to be    B.that is    C.which    D.is  这道题选啥?

B. that is 是修饰省略掉的than 后面的the work的,意思是Tom为了上学必须做超过他身体能够承受的工作.如果说全了就是Tom has to take on more work than the work that is good for his health.