in or im or um - not, opposite of, re - again, back, pre - before, immature - not mature; childish, impractical - not good at practical matters, disappeaer - to do the opposite of appear; to go out of your sight, unobservant - not seeing or noticing things around you, intolerant - not tolerant, reconsider - to think again about something so you can decide whether to change it,

Rewards Review Unit 3 Lesson 11 & 12

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