问题 填空题 按要求写出下列单词的正确形式。1. fast (同义词) _____________3. put (分词) _____________5. swim (三单) _____________2. stand (分词) _____________4. hurt (三单) _____________6. in (反义词) _____________ 答案 1. quick / quickly 2. standing 3. putting 4. hurts 5. swims 6. out