以下这几道题应该怎么解答?1.He( )be late for school last term,did not he?

以下这几道题应该怎么解答?
1.He( )be late for school last term,did not he?
2.Suddenly all the lights went out and we were left ( ).
3.We were ( ) electricity for three hours but it is on again now.
4.What ( )in your country in the last few years?
5.He got the first prize in the match and his parents are all ( )it.
6.You must not give ( ) foreign languages for even a day.
7.Even ( )he was tired,he helped me with my work.
8.I sat behind in the hall,so I could I ( )hear the speaker.
9.The way to solve the problem is ( )
10.They ( ) cut many trees down to make a fire,but they did not know wood ( ) make paper.
请问这几道英语题的括号处应该填什么?
还有这几道：
11.It ( ) me two hours to get there by bus.
12.My little son is ( ) the dark,so he never go to bed without the lights on.
13.There used to be a tree in front of our classroom,( ).
14.Steve used to be quiet,but now he is ( ).
15.Many clouds in the sky.( )it is going to rain.
16.The man made a living ( )bikes for others.
17.Whom does the boy more ( ),his father or his mother?
18.The girl is studying abroad.Her mother ( )her all the time.