سؤال ۸، زبان انگلیسی ۳، شهریور ۱۴۰۴

Penicillin ...... quite accidently when Fleming was working on bacteria. (to discover)

Her father ...... that expensive car, will he? (to buy)

If they had enough time in summer, they ...... to Mazandaran. (to travel)

When I ...... the book to her, she had already bought it. (to send)