问题
选择题
The tour was fantastic in general, our car broke down on the way back.
A．as
B．though
C．whether
D．since
答案
答案：B
题目分析：句意,上文,总的来说这次旅行太不可思议了,下文在回来的路上我们的车坏了..as意思是由于;though意思是尽管/虽然;wether意思是是否;since意思是自从.故选B.
点评：解答此类题型首先要弄清题意,根据前后文关系确定适当连词.