Реши задание на изображении

One possible answer:

1. I spent my summer holidays at the seaside.
2. I went for walks, swam in the sea.
3. I went there with my parents.
4. I travelled there by train.
5. The weather was sunny and warm.
6. I enjoyed my holidays because they were exciting and relaxing.

Why:

• после spent my summer holidays выбираем место: at the seaside;
• после swam in the подходит sea — «море»;
• with употребляется перед людьми: with my parents;
• после by ставится вид транспорта без артикля: by train;
• после was нужен признак погоды: sunny and warm;
• holidays — множественное число, поэтому they were.

Проверка: at the seaside — sea — with my parents — by train — was sunny — they were exciting and relaxing — всё согласовано грамматически.