I found a few mistakes in good answers. 1) Opposite of happy is sad, not sadf. 2) Opposite of open might also be closed, not only close, if we talk about adjectives and not verbs. 3) Opposite of rich is definitely poor, not pooor with 3 "o´s". 4) Opposites of nervous and angry might also be calm. So due to these mistakes I consider this worksheet completely useless.
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