问两个英语完型填空的问题My mother wishes that I(go) ____to work in a joi

问两个英语完型填空的问题
My mother wishes that I(go) ____to work in a joint venture after graduation from college
我写will go
因为是将来发生的事.但是答案是went/could go
哪里错了= =?
a lot of hourses and buildings (damage)____in the big fire
为什么不能是have been damaged?
答案是were damaged
- -小菜英语差.高手们指教