Change the following sentence from simple to complex.

I saw an old man.

Change the following sentence from complex to simple.

I gave no sign that I had noticed the man.

Change the following sentence from complex to simple.

Dad announced that I would start lessons the following week.

Change the following sentence from complex to simple.

Why it stopped at Deoli, I don't know.

Change the following sentence from complex to simple.

She saw that I was looking at her intently.

Change the following sentence from complex to simple.

When I saw her walking up the platform, I sprang off the footboard.

Change the following sentence from complex to simple.

You'll understand why you've worked so hard.

Change the following sentence from complex to simple.

I knew that they would be pleased.

Change the sentence given below from complex to simple.

When I opened the case, they laughed.