Viết lại câu: They believe he is armed. It isn't necessary to shout. We can't afford to buy the car
1. They believe he is armed
-->He............
2. It isn't necessary to shout.
---> You.......
3. We can't afford to buy the car
--> The car......
4. His parents made him study for his exams
-->He was..........
5. We couldn't get nearer because of the police
--> The police......