You should the new words that you don’t know how to spell.A. look for B. look upC. look af

问题补充：

You should the new words that you don’t know how to spell.

A. look for

B. look up

C. look after

D. look down

答案：

A. look for

(答案→)B. look up

C. look after

D. look down

解析：考查短语辨析。look for寻找，look up查字典，look after照顾，look down向下看。句意：你应该查你不知道如何拼的生词。所以选B。