1. “Is the new edition of this book already available?”

2. New products ____ in the electronic exhibition in Jakarta Expo Centre a week ago.

3. Geologist have explained the cause of earthquakes interms of a theory ____ as plate tectonics.

4. A: “What time will the delayed plane depart?”

B: “They say that it ____ soon.”

5. Active: Jack has eaten two apples.
Passive: ____.

6. Everyone ____ by the terrible news yesterday.

7. English ____ in the schools of almost every nation.

8. The proposal ____ by the members right now.

9. Wilson ____ the money from Brown two weeks ago.

10. Davis ____ to the rank of sergeant since last week.