询问太空信息的特殊疑问句 — 英语词汇题

一组太空采访的回答顺序打乱了。根据每个回答补全合适的特殊疑问词： 1. “To the moon.” — ______ do they go? 2. “Because they want to stay safe.” — ______ do they wear spacesuits? 3. “By rocket.” — ______ do they travel into space?