Составьте предложения используя Passive voice 1. a group of tourists, the guide, some pictures to show. 2. the gardener, to ask, I, to help him, in the garden. 3. they, a warm welcome, to give. 4. Pavlov, to present, the Cambridge, a toy dog

The guide was asked to show some pictures to a group of tourists.
I was asked by the gardener to help him in the garden.
They were given a warm welcome.
A toy dog was presented to Pavlov by the Cambridge students.
(мне кажется, что пропущено слово "students"в условии.)