1．______ the project in time，the staff were working at weekends．（　　）

2． 以防万一

3．I must make an （apologize） to him for not going to his party．

4．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（空袭民防队长），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）

5．Rewrite the sentences by changing the relative clauses into the -ing form or -ed phrases.
The tradition，which is deeply rooted in China，has been an integral part of Chinese culture for a very long time.

6．Solid can be turned into liquid and liquid into gas if heated enough.

7．The world will be different，and we will have to be prepared to _________ the change.（　　）

8．Rewrite the sentences by changing the relative clauses into the -ing form or -ed phrases.
During the Spring Festival，there are many activities that interest people，especially children.

9．Rewrite the sentences by changing the relative clauses into the -ing form or -ed phrases.
Every year，hundreds of thousands of people who come from all over the world take part in Quebec Winter Carnival.

10．试以"Can Money Buy Happiness？"（金钱能买来幸福吗？）为题写一篇议论文，必须包括以下内容：
（1）有人认为金钱是幸福之本（source of happiness）；
（2）也有人认为金钱是万恶之源（root of all evil）；
注意：
（1）词数80左右；
（2）可以适当增加细节，以使行文连贯。