_____was once regarded as impossible has now become a reality.A.what B.which c.thatwhich and why..

regard regard regard Regard. _____was once regarded as impossible has now become a reality.A.what B.which c.thatwhich and why.. _____was once regarded as impossible has now become a reality.A.That B.Which C.Who D.What 关于regard的同意句If you fail once ,you should regard that failure as a lesson.If you fail once ,you should____ ____that failure as a lesson. The solders soon reached _____was once an old temple ____the villagers used as aschool.第一个空为什么要用what,不用where ----Tom told me once he had a fall and broke his arm.---- _____was that? A Since when B How long ago C For when D For how long The solders soon reached _____was once an old temple ____the villagers used as aschool.第一个空为什么要用what the garden _____was once so beautiful was swept away by the wild water a what b which c 不填 d how 解释下为什么选A?我选c的（英语）谢谢!they reached at last _____was once a temple______the farmers used to keep cattleA.what /where c.where,that With regard regard 造句 regard...as.. Best Regard regard less .. regard是什么意思