问题
选择题
-----Who helped ________with the job ?
-----Nobody , They did it by______.
A．them, them
B．them, themselves
C．themselves, them
D．themselves, themselves
答案
答案：B
此题考查人称代词的基本用法。Help是动词后跟人称代词时要用宾格；do it by oneself表示独立完成某件事情。