9. That bag looks heavy. I _____ help you with it.
A. will B.can C. must D. should
10. Look out! The tree ______.
A. will fall B. will be falling C. is going to fall D. falls
Change the sentences into the passive voice
1. Mike usually delivers greeting cards on holidays.
 Greeting cards are usually delivered on holidays by Mike.
2. The American hold presidential elections every four years.
 …………………………………………………………………………………………..
3. My teacher explains all the students’ questions.
 …………………………………………………………………………………………..
4. Careless drivers cause many accidents.
 …………………………………………………………………………………………..
5. A storm damaged the roof of the building a few days ago.
 The roof of the building was damaged by a storm a few days ago.
6. You didn’t tell me about the meeting.
 …………………………………………………………………………………………..
7. They will complete the new highway next month.
 The new highway will be completed next month.
8. My secretary will fax the report to your office.
 …………………………………………………………………………………………..
9. I will make a birthday cake for you.
 …………………………………………………………………………………………..
10. We are going to present the solution to the headmaster.
 The solution is going to be presented to the headmaster.