Chia đúng dạng từ trong ngoặc

11. I (work) ____________  at the local library for the summer.

12. We (not go) ____________  to the theater very often.

13. Stacy (get)  ____________ ready for school so she can’t come to the phone.

14. I (read) ____________  a newspaper at least once a week.

15. A good friend (know) ____________ when you are upset about something.