3．Jack and Harry stared at the bomb for a long time."It's bigger than the one that fell on Crown Street，" said Harry. "（1）
Twice as big!" said Jack.The boys were lying on top of an old warehouse，and by peering over the edge，they could see the bomb clearly.
"Wow!" said Harry. "（2）
Wish we could get closer and have a good look.Would you like to touch it，Jack？"
"（3）
No，I don't!" cried Jack. "You must be crazy!Hey look!There's Old Tin Hat.Watch out.He'll see us."
Old Tin Hat，the air raid warden（空襲民防隊(duì)長(zhǎng)），was on duty.He always chased the boys off. "You'll get killed，one day!" he'd yell.But the boy took no notice.Exploring bomb sites was an exciting game，and （4）
escaping from Old Tin Hat made it even better. （Adapted from Air Raids）
（1）
（2）
（3）
（4）
