Question

Why not try your luck downtown, Bob? That’s __________ the best jobs are

1. A.
   where
2. B.
   what
3. C.
   when
4. D.
   why

Answer 1

A
试题分析：考查表语从句：句意：为什么不到商业区碰碰运气，那时好工作聚集的地方。Where 是表语从句中的引导词相当于，That's  the place where the best jobs are.不过现在就是定语从句了。选A。
考点：考查表语从句
点评：连接表语从句的连接词有：that, what, who, when, where, which, why, whether, how, whoever，whomever，whichever ，whatever等。还有如because, as if, as though等。解答这类题目，关键在于分析清楚句子结构。通过判断引导词在从句中所作的成分及意义，来选择正确的引导词。