－Wherearethesignsyoumentioned?－They’reeasytofind,ifyouk...

问题详情：

－Where are the signs you mentioned?

－They’re easy to find, if you know ______________.

A．whether to look                                          B．what to look

C．who to look                                D．where to look

【回答】

D

知识点：交际用语

题型：选择题