图为“我国西电东送基本格局示意图”。 图中以火电为主的是（    ）

若一次函数y=﹣2x+b（b为常数）的图象经过第二、三、四象限，则b的值可以是____（写出一个即可）．

用括号内所给动词的适当形式填空。
⑴Mr Reed made up his mind to devote all he had to____ (set) up some schools for poor children.
⑵The thieves____  (catch) when they were trying to sell the computer.
⑶We all know some colours ____ (make) us feel warm and peaceful.
⑷We should have a discussion whether ____ (travel) to Singapore or not.
⑸Tom, can you answer my question?
    Err, I'm sorry, Miss White, I ____  (think) about something else.
⑹I am sure that all of the problems ____  (deal) with very soon.
⑺Before Jacky Chen went to Hollywood, he____  (be) famous in Hong Kong for many years.
⑻Look! Someone ____(clean) the blackboard.
   Well, it wasn't mine. I didn't do it.

____ ____ Dale Miller?