Relative pronouns

He thinks the kids are enjoying...

Can your translate these sentences ...?

Ann is old enough to dress ...

They always eat by...

I and Fred will speak to her ...

The child hit ... behind the door.

The cats is playing with...

Sarah calls __________ the smartest girl in the class.

The children made the New Year toys...

My sister and I looked at..

Did you enjoy ... at the party last night?