完形填空。根据语境从括号里选择恰当的选项写在横线上。
I am in a train. I am looking out  1  the window. It is  2    .The pigs
   3   sleeping under the tree. People are carrying umbrellas. A man4  wearing
a big hat and boots.     5  are jumping  6  the water. Then the train goes 7   
a tunnel. It is very dark. Then we come   8 of the tunnel.It is raining. The sun is  9  . Children are playing in a park. Then the train arrives  10   the station.
1. A. at        B.of        C.in                
2. A. raining    B.rained    C.rained
3. A. am         B.is        C.are                
4. A.are        B.is        C.am
5. A.Child      B.children   C.Achild       
6. A.in         B.on        C.at
7. A.into       B.in        C.on              
8.A.out         B.to        C.on  
9.A.shining     B.shineing   C.shined    
10.A.to         B.in        C .at