问题
选择题
The two brothers look so much alike that it is difficult to .
A．tell them from
B．tell from them
C．tell them apart
D．tell apart them
答案
答案：C
把两者区别开来，应用tell apart;把一者同另外一者区别开来用tell from,排除A、B两项。在由“动词+副词”构成的词组中，代词要放在动词之后，副词之前。