Which sentence has a gerund functioning as the object of a preposition?

they us exuberantly for meeting with them to discuss the deal.

driving delights me when i take off spontaneously for random destinations.

with all these poems to learn, i need to start memorizing them immediately.

while i enjoy biking in the woods, i prefer the placid setting by the lake.

They thanked us exuberantly for meeting with them to discuss the deal.

Explanation:

A gerund is a verb form which functions as a noun, ending in -ing.

In this sentence, the word meeting is a gerund. It is the object of the preposition for.

what is a theme?

ans: the implicit idea of a written work of literature is called a theme.

so, the only theme of "birdfoot's grampa" by joseph bruchuc is that as a human being one should always remember the value of every life on earth.

the grampa is stopping the car again and again to save those little toads from washing away in the heavy rain is an act of kindness and humanity.