помогите пж :). надо поставить слова в правильный падеж текст: Sam

Помогите пж :). надобно поставить слова в правильный падеж текст: Sam Scott ..... (go) to school by bus every morning. His lessons ..... (begin) at 8 o'clock. When he ...... (enter) the classroom he ...... (greet) his classmates. His friends ....... (talk), ....... (read), ....... (do) crosswords and puzzles. the bell ...... (ring) and the teacher ....... (come) into the classroom. The lesson ...... (begin). everybody ..... (be) busy. 20 БАЛЛОВ!