She ______ (run) very fast and she ______ (not see) the tree.
She was running very fast and she didn't see the tree.
They ______ (fall) off their bikes because they ______ (go) too fast.
They fell off their bikes because they were going too fast.
They ______ (play) video games while their mom _____ (wash) the dishes.
They played video games while their mom washed the dishes.
