1) Gregg was running to the class when he ... Mike. a) knocked over b) stepped on c) tripped over 2) Liz didn't see the water on the floor and she ... . a) spilt b) stepped on c) slipped 3) Carol was shocked when she ... the coffee on her laptop. a) slipped b) spilt c) tripped over 4) Andy said sorry when he ... my foot. a) stepped on b) slipt on c) knocked over 5) While we were hiking, Steven ... a rock and fell down. a) stepped on b) tripped over c) knocked over

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