Question

It will be five years ______ we meet again.

1. A.
   since
2. B.
   after
3. C.
   before
4. D.
   when

Answer 1

C
该题意为 “ 要过五年我们才能再见面”。如果选A, since 从句中常用动词的过去式,这是个终止动词表延续的句型。本句句型是 “ It will be +时间段+before” 从句。意为 “ 要过多久才….” 。