问题补充:
Excuse me, Mr Li, I don’t know the meaning of the whole sentence. What shall I do?
You should .
A. look it for
B. look it up
C. look for it
D. look up it
答案:
A. look it for
(答案→)B. look it up
C. look for it
D. look up it
解析:句意:打扰一下,我不知道整个句子的意思。我该怎么办?你应该查查。look for,寻找。look up查找,代词放中间。故选B。