20 Put the verbs in brackets in past simple or past continuous.

A

• Bob and Steve were walking (walk) to the library yesterday afternoon and they ate (eat) a sandwich. Suddenly, it started (start) raining so they quickly ran (run) to the bus shelter. They decided (decide) to wait here until it stopped (stop) raining.

B

• The sun was shining (shine) and the birds were singing (sing) while the Smiths were having (have) a picnic in the forest. Suddenly, they heard (hear) strange noise coming from behind some bushes.