Вот заполненные предложения:
1. Maisie has learned to use her new phone now.
2. Technology has changed the way we learn.
3. The reporter has been to many different schools in the US.
4. I have seen the new Mission Impossible film: don't miss it, it's great.
5. The students have heard their subjects for next year.
6. We have designed our maths and ICT homework.
7. I have chosen a website for our basketball team.
8. Paul has told him the news, so you don't have to.
Объяснение: Present Perfect образуется с помощью вспомогательного глагола have/has + Past Participle (3-я форма глагола). Мы используем Present Perfect, чтобы говорить о действиях, которые произошли в прошлом, но важны в настоящем, или о действиях, которые начались в прошлом и продолжаются до настоящего момента.