"What is the difference between ""at"" and ""on"" in the following sentences?"
"What is the difference between ""to"" and ""by"" in the following sentences?"
"מה ההבדל בין ""ב"" ל""על"" במשפטים הבאים?"
"מה ההבדל בין ""ל"" ל""על ידי"" במשפטים הבאים?"