Помогите Раскройте скобки, употребляя глаголы в Past Simple или Past Continuous 1. It (to be) a rainy

Помогите Раскройте скобки, употребляя глаголы в Past Simple или Past Continuous 1. It (to be) a rainyafternoon. Nick (to sit) at the table and (to write) to his friend. He (to write) about his last summer holidays. His mother (to cook) dinner when he (to write) the letter. As soon as his dinner (to be) ready, mother (to invite) him to have dinner. Nick (to stop) writing and (to go) to the kitchen. 2. Last summer we (to spend) in the country. We (to live) in a small house. Every day we (to go) to the river. Suddenly a big grey cloud (to cover) the sun and it (to begin) raining heavily. We (to run) home. It (to rain) the whole evening and night. 3. Yesterday I (to ring) up to my friend but nobody (to answer). I (to ring) him from 2 till 7 o'clock. At last he (to answer) at eight o'clock in the evening. He (to tell) me that he (to pass) his exam at 3 o'clock. 4. It (to be) early morning when she (to get) up. She (to open) the window and (to see) that the weather (to be) fine. The sun (to shine) brightly, the birds (to sing) in the trees, the warm wind (to blow). She (not to close) the window and (to decide) to invite her friend for a walk.