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9. Either Ivy has a great force field, ___ my laser vision isn’t very strong.
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8. We have encountered a problem, ___ means that we need to change our initial plan.
7. It is now the obligation of educators to ___ that our learners become "robot-proof".
6. ___ him concentrate on one task helped me pull my own thoughts into order.
5. Very few people who__ to great wealth ever achieve it.
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