Question

—It’s a long time________I saw you last.
—Yes，and what a pity it is now that it will be a long time________we see each other again.

A．before；since

B．since；when

C．since；before

D．when；before

Answer 1

C

考察固定句型。It is a long time since…自从…以来已经很长时间了；it be+一段时间before从句；一段时间以后某事才发生。结合句意可知C正确。句意：—自从上次见到你已经很长时间了。—是的真遗憾啊！很长一段时间以后我们才又见面。