Question

【题目】—Excuse me, where is the post office?
—Walk along Green Street and turn left at _________ crossing, then you can find it.
A.first
B.one
C.the first
D.the one

Answer 1

【答案】C
【解析】句意：——打扰一下，邮局在哪儿？——沿着格林大街往前走，在第一个十字路口左拐，然后你就会找到它。第一用first，序数词前用定冠词the。故选C。