Поставьте глагол в скобках в Present Perfect или в Present Perfect Continuous. Переведите предложения на русский язык.
1. You look tired. You (to work) hard?
2. My brother is an actor. He (to appear) in several films.
3. I (to read) the book you lent me, so you can have it back now.
4. He (to play) tennis since he was ten