Match the halves of the sentences.

Write one number in each gap.

I didn't have to go to the supermarket [ ]

We returned after [ ]

Barely had she entered the house [ ]

Sarah had turned off power to the entire house [ ]

1. when it started to rain.

2. because my mother had already bought everything.

3. before she left on her travels.

4. we had visited all the museums in town.