Question

【题目】 the traffic was heavy yesterday, we got to the bus station on time.
A.Although
B.Unless
C.Since

Answer 1

【答案】A
【解析】考查连词辨析。句意：虽然昨天交通拥堵，但是我们按时到了公交站。A. Although虽然，引出让步状语从句；B. Unless如果不，除非，引出条件状语从句；C. Since因为，既然，引出原因状语从句；虽然：although，故选A。