从方框中选择适当的词并用其正确形式填空。
bridge ahead design form relationship
1. Clouds in the sky before the rain started.
2. The workers built small over the rivers in the forest.
3. They this app to help students learn maths last year.
4. Reading builds a strong between children and books.
5. The teacher reminded us to plan for the trip.

1. formed 2. bridges 3. designed 4. relationship 5. ahead

1. 由"before the rain started"可知用一般过去时，"form"的过去式是"formed"。
2. "small"后接名词，"bridge"是可数名词，用复数"bridges"。
3. "last year"提示用一般过去时，"design"的过去式是"designed"。
4. "a strong"后接名词单数，"relationship"符合句意。
5. "plan ahead"是固定搭配，意为"提前计划"。

用括号内所给词的正确形式填空。
6. In the new year, I want to be more ______ (energy) so that I can play more with my friends and do better in my subjects.
7. After performing a dance at the party, Lily was filled with ______ (confident) and looked forward to more shows.
8. The ______ (fireman) are always ready to save people in danger.
9. After months of hard work, she finally ______ (achieve) her goal of getting an A in maths.
10. Many people realized the importance of eating ______ (healthy).

6. energetic
7. confidence
8. firemen
9. achieved
10. healthily

6. be动词后接形容词作表语，energy的形容词是energetic，表示“精力充沛的”。
7. be filled with后接名词，confident的名词形式是confidence，为不可数名词。
8. 根据are可知主语是复数，fireman的复数形式是firemen。
9. 根据finally可知句子用一般过去时，achieve的过去式是achieved。
10. 修饰动词eating要用healthy的副词形式healthily。

从方框中选择适当的短语并用其正确形式填空。
try one's best keep on take up make sure draw to a close be tired of stick to put out last but not least have to do with
1. Don't give up! Just trying and you'll succeed.
2. you turn off all the lights before leaving the classroom.
3. The scientists are to develop AI to better serve people.
4. He his decision even when others didn't agree with him.
5. She decided to swimming to keep fit.
6. , I want to thank my teachers and classmates for their help.
7. My mum cleaning up my messy room and asked me to do it on my own last weekend.

1. keep on
2. Make sure
3. trying their best
4. stuck to
5. take up
6. Last but not least
7. was tired of

1. 根据“Don't give up! Just...trying and you'll succeed.”可知，这里表达继续尝试，“keep on doing sth.”表示继续做某事，所以填“keep on”。
2. “...you turn off all the lights before leaving the classroom.”要表达确保关灯，“make sure”有确保的意思，句子首字母大写，所以填“Make sure”。
3. “The scientists are...to develop AI to better serve people.”科学家们正尽最大努力发展人工智能，“try one's best”表示尽某人最大努力，主语是复数，所以填“trying their best”。
4. “He...his decision even when others didn't agree with him.”即使别人不同意，他也坚持决定，“stick to”有坚持的意思，根据语境用一般过去时，所以填“stuck to”。
5. “She decided to...swimming to keep fit.”决定开始从事游泳来保持健康，“take up”有开始从事的意思，“decide to do sth.”，所以填“take up”。
6. “..., I want to thank my teachers and classmates for their help.”这里是最后要感谢，“last but not least”表示最后但同样重要，句子首字母大写，所以填“Last but not least”。
7. “My mum...cleaning up my messy room and asked me to do it on my own last weekend.”妈妈对打扫我混乱的房间感到厌烦，“be tired of”表示对……感到厌烦，根据语境用一般过去时，所以填“was tired of”。