16. " Nam, you ( always talk) ..................... in class!"
17. John and I (be) ...................... pen pals for nearly 3 years.
18. He hated (ask) ......................... to do the chores.
19. Nowadays children would prefer history (teach) ...................... in more practical ways.
20. He looks as if he (be) ..................... from another planet.
21. The price (become) ..................... more and more expensive recently.
22. I (invite) ...................... to her party last weekend.
23. Is this the best film you (see) ...................... , Hoa?
24. The ideas (present) ...................... in this book are not really interesting.
25. If you (not change) ...................... your mind, I won't be able to help you.