Question

Choose the correct pronoun to complete the sentence.

The congregation enjoyed
playing the piano at the service.

Answer 1

Them or their

Answer 2

The congregation enjoyed them or their playing...

Answer 3

so any different idea may be exist ?

Answer 4

Old question, answering to close

Notice how the missing word is acting as the *object* of the verb "enjoyed". now, which one do you use for *objects* of the verb? if you're still confused, try removing "at the service" and see which pronoun makes sense.