Question

Поставьте by там где это нужно
The table will be covered... a white cloth
The treasure was found... two local fishermen
The bill can be paid... a credit card
The menu has been prepared a... famous chef
All the books were put into boxes...the students
The door cannot be opened... this key
The jam is made...strawberries from our garden

Answer 1

я думаю, что везде нужно вставить by