.They went to New York ten years ago.(保持句意)They ____ _____ in New York_____ ten years.It _____ ______tenyears ______they _____to New York

问题描述:

.They went to New York ten years ago.(保持句意)
They ____ _____ in New York_____ ten years.
It _____ ______tenyears ______they _____to New York

has been,for
has been,since,went