9. We have got three puppies. Do you want to look at they / them?

Решение:

'Look at' — предлог, после которого требуется объектный падеж. 'Them' — объектный падеж от 'they', относится к 'three puppies'. 'They' — именительный падеж.

We have got three puppies. Do you want to look at them?