高中英语语法题1.It is time that you ___took___ a picture for me.这里为

高中英语语法题
1.It is time that you ___took___ a picture for me.这里为什么用虚拟语气?还有,如果这里是用虚拟语气,用should take可以吗?
2．---How do you like the lecture last Friday?
---Terrible. Though _____ to stop, the _____ speaker kept on talking at the meeting.
A．being told; exciting B．telling; excited
C．to be told; exciting D．told; excited
这题选A没问题,但是第二空为什么用ing形式?不是应该解释为“这个兴奋的演讲家”,而不是“这个令人兴奋的演讲家”,吗?（因为大家都对他叫停了）
3_____ to give up smoking, he threw away his _____ cigarettes.
A．Determined; remained B．Determined; remaining
C．Determining; remained D．Determining; remaining
这题选B,为什么不选D?
我知道有词组be determined to do,
那不是也有determine to do的嘛!（比如：determine to rise in the world决心出人头地）