Put the elements into the gaps

Match the sentences with the meaning of the phrasal verbs.

• move backwards, in reverse
• move away from danger
• give moral/emotional support for someone's position
• accumulate and delay due to excess

1. She crashed her car bumper into a fence while backing up.
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2. When you encounter an angry dog, you should back away.
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3. My neighbour backed me up when I complained about the electricity not working.
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4. The highway is backed up for two miles. Probably there's a car crash ahead.
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