问题补充：
---- Where are my keys, Dad? I can’t find them.
---- Look! They’re under the table. You must .
A. put it away
B. put away it
C. put them away
D. put away them
答案：
A. put it away
B. put away it
(答案→)C. put them away
D. put away them
解析：句意:爸爸,钥匙在哪儿?我找不到他们.——看，他们在桌子下面。你必须把它们放到一边去。结合语境可知下文代词指的是上文提到的复数名词keys，故人称代词用复数形式。当人称代词宾格做动词+副词构成的短语的宾语时，要放在副词前面，动词后面，故选C。
