问题
单项选择题
Before we started out, we'd better ______ the time of the next train in the time table.
A.look after
B.look for
C.look up
D.to look for
答案
参考答案:C
解析: had better do...最好做……;look after照顾;look up查找(查字典);look for寻找。故选C。