Question

Which sentence can be changed into the Passive Voice?
1. Our plan succeeded at last.
2. High stress can cause heart attacks.
3. The Persians invented windmills around 1500 years ago.
4. My sister's plane will arrive at 12.45.
5. The mail carrier had already delivered the mail. ​

Answer 1

Ответ:

Объяснение:

второе и пятоепятое