Ответ:
1. Jack enjoys "to read" science fiction.
2. I suggest "to watch" a film after school.
3. Where did you learn "speaking" French?
4. Do eou mind "to help" me to do this task?
5. My brother plans "to go" abroad this summer.
Объяснение:
слова в кавычках подчеркните и всё, всё правильно:-P