15. With the reform of educational system, the teachers_____school I worked before have greatly changed their way of teaching.
| A．in whose | B．whose | C．in which | D．Which |
It ______ six years since they last saw each other.
| A．was | B．had been | C．is | D．would have been |
Look at these clouds. ______.
| A．It’ll rain | B．It’s going to rain | C．It’ll be raining | D．It is to rain |
-- Could you give these books to Mr. Mackintosh?
-- Certainly, ______ him about something else in any case, so it won’t be any bother.
| A．I saw | B．I see | C．I can see | D．I’ll be seeing |
. Lu Xun ______ a lot of novels.
| A．wrote | B．had written | C．was writing | D．has written |
. A relative of yours ______ this evening.
| A．will be coming to see you | B．will have been coming |
| C．would come to see you | D．won’t have seen you |