Question

-----Who helped ________with the job ?
-----Nobody , They did it by______.

A．them, them	B．them, themselves
C．themselves, them	D．themselves, themselves

Answer 1

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。