The careless driver knocked down the old man _________ was crossing the road.

Jack climbed ______ to the top of the mountain though he is only a boy of ten

Thclearer and fish havebegun to show up in it.

My best friend sent me a message as soon as she_______, in Zhangjiagang.

knew he failed in the final exam the moment I _______ him crying alone in the classroom.(原创)