Question: The Crusaders used it as a palace and a church, but El-Aksa became a mosque once more after Saladin conquered Jerusalem.
El-Aksa was many things, but never a mosque.

Answer: no

Question: It was a guess that turned out to be correct.
It was very lucky that the guess ended up correct.

Answer: it is not possible to tell

Question: Every additional copy of Windows 95 costs Microsoft ...
Each copy of Win 95 costs Microsoft.

Answer:
yes