It will be a long time we reach the little town.A. thatB. untilC. sinceD. before

问题补充：

It will be a long time we reach the little town.

A. that

B. until

C. since

D. before

答案：

A. that

B. until

C. since

(答案→)D. before

解析： 考查固定句型。It will be +一段时间+before…，表示多久之后才能…….所以选D。意为：要过很久我们才能到达那个小镇。