问答题 The botanical garden program familiarizes children with names of different flowers, teaches them the conventions of naming plants, and they have the opportunity to learn skills used by gardeners.
【正确答案】正确答案：they have一gives them
【答案解析】解析：根据句意可知，该句主语是“botanical garden program”，宾语为“children”，但最后一个句子中主语变成了代指children的they，为保持主语一致，应将they have改成gives them。