I
1 having 2 creating 3better 4 harder 5 to deal

1. II

2. We often play football together during summer time. (B. together)

3. As a mental exercise, origami can help increase creativity. (C. creativity)

4. They are harvesting rice in the paddy field. (D. paddy field)

5. Tom’s father is very well-trained so he can control the combine harvester very well. (A. well-trained)

6. Alice likes playing chess because she thinks it can help her concentrate better. (C. concentrate)

Sure, let's go through each question step by step.

**Question 1: Fill in the blanks with the correct form of the word in brackets.**

1. Most students detest **having** (have) homework during the weekends.
- Here, "having" is the correct form as it fits the structure "detest + verb-ing".

2. Alice is fond of **creating** (create) small animals with paper.
- "Creating" is the gerund form that correctly follows "fond of".

3. After a course with a native teacher, Nam can speak English **better** (well) than before.
- "Better" is the comparative form of "well".

4. Chi is intelligent, but she needs to study **harder** (hard) than her first semester to pass the examination.
- "Harder" is the comparative form of "hard".

5. These students are learning how **to deal** (deal) with pressure before the final test.
- The correct form is the infinitive "to deal".

**Question 2: Choose the best option to complete each sentence.**

1. We often play football **together** during summer time.
- "Together" makes sense here to indicate joint participation.

2. As a mental exercise, origami can help increase **creativity**.
- Origami is often cited as a way to enhance creativity.

3. They are harvesting rice in the **paddy field**.
- "Paddy field" is where rice is grown and harvested.

4. Tom’s father is very **well-trained** so he can control the combine harvester very well.
- "Well-trained" describes someone who has been trained thoroughly.

5. Alice likes playing chess because she thinks it can help her **concentrate** better.
- Playing chess is known to improve concentration.

These answers should help you complete the exercise correctly. If you have any more questions or need further clarification, feel free to ask!