根据下列句子及所给汉语注释，在每题后的横线上写出空缺处各单词的正确形式。（每空只写一词）
Her ankle _____________(肿胀)after the fall.
Our class is  ________ (分成) into two groups during the discussion.
Her father will never ________（同意） of her marriage to you
Don't _______（暴露）your skin to the sun or you will be burned.
He climbed up the tree and hid among the _______ (树枝).