Past Perfect and Past Simple

She ...doing her homework by the time her parents returned from work.

The doctor ...me to take more exercise and went back to hospital.

The phone had stopped ringing by the time I ...it

After the teacher...a new rule,the pupils started doing exercises.

The train wasn't there. It ...

She ...to speak English before she arrived in America

I ...my hands before I had my lunch.

After Jim had checked his temperature, he ...to bed.

He ...a pain in his heart before he took medicine.

Kate ...her lunch. Then she tooks some medicine.

Rose felt very tired after she ...in the garden

It was a feeling he ....before