一、用括号内所给单词的适当形式填空。
1. (2025·无锡市惠山十校期中)As I haven't found out the fact, I'm (sure) who is to blame for the accident.
2. My grandma is (forget) and often repeats herself when she tells a story.
3. Jim is no (long) afraid of making new friends at school now.
4. (2023·淮安市开明中学二模)—The scarves are all beautiful. I can't decide which one (choose).
—Look at this blue one. I think it's the most beautiful.

1. unsure 2. forgetful 3. longer 4. to choose

1. (2024·山东东营中考改编)—According to the book The Brain Science of Exam, your brain is more active when you are hungry.
—Interesting! So in order things better, we can study before meals.

A.to remember
B.remember
C.remembering
D.not to remember

1. A

2. (2023·湖北孝感)—Safety is very important to all of us.
—I agree. We students should learn ourselves in the daily life.

A.where to hold
B.what to visit
C.how to protect
D.why to help

2. C 【解析】根据前面的“Safety is very important to all of us.”可知，此处应表示“我们学生应该学会如何在日常生活中保护自己”，C项符合语境。

3. (2025·南通市海门区月考)It's said that the water in the river will be for us .

A.too clean; to drink
B.enough clean; to drink
C.so clean; to drink
D.clean enough; to drink

3. D

4. (2025·无锡市梁溪区二模)—Why did little Jack open his birthday present early?
—Because he was to wait until that day. He just had to see what was inside.

A.too curious
B.curious enough
C.too patient
D.impatient enough

4. A

5. (2024·南京市外国语学校模拟)The retired ladies are often seen in the square in our neighbourhood. And I just heard them Peking opera when I passed by.

A.to dance; sing
B.dancing; singing
C.dance; sing
D.to dance; singing

5. D 【解析】句意:在我们小区的广场上经常能看到退休的女士们在跳舞。我刚才路过时还听到她们在唱京剧。第一空表示经常性的动作,应用see sb do sth,其被动语态为sb be seen to do sth;根据句意可知,第二空应用固定搭配 hear sb doing sth,意为"听到某人正在做某事"。

6. She is so pleased with he has done she keeps praising him.

A.what; that
B.that; what
C.that; that
D.that; which

6. A 【解析】分析句子结构可知,此处为so...that...的固定用法,第二空应用that;第一空引导宾语从句,且在从句中作"done"的宾语,应用what。

三、句型转换。
1. The boy isn't old enough to go to school.（改为同义句）
The boy is to school.
2. I find that it is hard to get along well with all my classmates.（改为简单句）
I find get along well with all my classmates.
3. These are sweet memories. I will never forget them.（保持句意基本不变）
These memories are I will never forget them.
4. (2023·黑龙江牡丹江)Could you show me how I can use the sweeping robot?（改为简单句）
Could you show me the sweeping robot?
5. My grandpa bought a wonderful robot so that it could help him do the housework.（改为简单句）
My grandpa bought a wonderful robot help him do the housework.

1. too young to go 2. it hard to 3. so sweet that 4. how to use 5. in order to