It is almost five years we saw each other last time.A. beforeB. sinceC. thatD. when

问题补充：

It is almost five years we saw each other last time.

A. before

B. since

C. that

D. when

答案：

A. before

B. since

C. that

D. when

解析：考查特殊句式。It is+一段时间 since从句；句意：自从…以来已经有一段时间了。本题句意：自从我上次见面到现在几乎5年时间了。故B正确。C是一个强调句型；A项的时态不正确。

考点:考查特殊句式