Question

We were told that we should follow the main road ________ we reached the central

We were told that we should follow the main road ________ we reached the central railway station．
A. whenever
B. until
C. while
D. wherever

Answer 1

答案B
根据follow的含义可知后面的空格处应该是能和表示延续动词搭配的连词，而whenever“无论何时”，while“当什么时候”，wherever“无论何地”，都不合题意，故选择B项。