I heard him _______ the piano in the next room at 10:00 last night.

Mother asks me _________ computer games before finishing my homework.

---At present, one of the best ways to study is working in groups.---More chances ___________ to students to learn from each other.

Apple’s i Phones _____easy to learn. Many young people can use them well. 

 —____ your sister know Tom?        —No, she ____.