一、按要求完成下列各题。
1. It's kind of Tom to help you. (改为同义句)
Tom ________ ________ to help you.
2. The problem is easy. We can work it out. (合并为一句)
It's easy ________ us ________ ________ out the problem.
3. To hand in homework on time is necessary. (改为同义句)
________ ________ necessary ________ hand in homework on time.
4. He is helpful. He helps me with my English. (合并为一句)
It's helpful ________ him ________ help me with my English.

1. is kind 2. for; to work 3. It is; to 4. of; to

二、根据句意及所给中文提示、首字母或英文解释，写出句子所缺单词，每空限填一词。
1. I remember being really afraid of seeing ______________（血）.
2.（2023·江苏扬州江都区邵樊片二模）UNICEF is one of the well - known ______________（慈善机构）that help poor children in the world.
3. The kind man has ______________（to give away something）lots of money to the poor family.
4. It's ______________（not able to happen）for me to finish the work without your help.
5. Project Hope is an o______________ that raises money to help poor children.

1. blood 2. charities 3. donated 4. impossible 5. organization

( )1. My daughter thinks ________ necessary ________ to take some dancing lessons.
A. that; for her B. it; of her C. that; of her D. it; for her

1. D [点拨]“think it+adj.+for/of sb. to do sth.”结构中，形容词评价客观行为用for，评价人物性格、品质用of。故选D。

( )2. —Excuse me, is there a supermarket near here?
—Sorry, I'm new here too. Why not ________ the old lady over there?
A. asking B. ask C. asks D. to ask

2. B [点拨]“Why not do sth.？”意为“为什么不做某事？”。故选B。

( )3. It is meaningful ________ children ________ in charity work at a young age.
A. of; to join B. for; to join C. of; joining D. for; joining

3. B

( )4. —Mrs Smith, I have some ________ sleeping. Would you mind ________ the music a bit, please?
—Of course not.
A. troubles; turning up B. trouble; turning down
C. problem; to turn down D. problems; turning off

4. B [点拨]have trouble/problems doing sth. 做某事有困难；mind doing sth. 介意做某事，都是固定搭配，排除A、C项。由语境及a bit可知，此处指的是“把音量调低一点”。turn down调低。故选B。