Based on 3I, Ex. 4.
Use when, before or after to join the sentences as in the example. Use past tenses.
Susan waited for an hour. Then her friend arrived.

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1. Beth was mopping the floor. She slipped and fell.
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2. Jonathan was walking down the street. He bumped into an old classmate.
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3. His mum picked him up. He finished school.
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4. Natalie and David lived in a small flat. Then they moved into a house.
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5. They waited for all the guests. Then they started eating.
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