Complete the second sentences so that they get the same meanings as the first pair of sentences. Use the complex object.

Write 3–4 words in each gap.

The students worked diligently on their assignments. We observed it.

We [ ] diligently on their assignments.

She did the chores. Lana made her.

Lana [ ] the chores.

He is a great mathematician. I know it.

I [ ] a great mathematician.