问题
选择题
I had forgotten the date of that important battle so I _____ a history book.
A.brought up
B.referred to
C.looked at
D.looked up
答案
答案:B
短语辨析. A.提出B.涉及;参考 C. 看D.仰望;查阅.句意:我忘了那场重要战役的日期,因此我参考了一本历史书.look up强调详细的看,故选B.