英语翻译

1. How many newspapers did you subscribe?
2. I subscribed to many newspapers. / I suscribed three newspapers.
3. How much is the annual subscription cost for a newspaper?
4. The annual subscription of a newspapers costs/is 100 yuan.
5. How much is the annual subscription for three newspapers?
6. The cost of the annual subscription is 300 yuan.
The annual cost of the subscription of three newspapers is 300 yuan.
It costs 300 yuan for the annual subscription of three newspapers.