Исправьте ошибки в каждом из следующих предложений: 1. theirs are good, but we have the fastest ones. 2. the rifles you bought last week are spain. 3. we shall have to defent. 4. how many fighters was lost? 5. what time will they take of?

1. Theirs are good, but ours are the fastest.
2. The rifles you bought last week are from Spain.
3. We shall have to defend ourselves.
4. How many fighters were lost?
5. What time will they take off?