专题4 从句_23
（2016·江苏） Not until recently ______the development of tourist-related activities in the rural areas.A．they had encouraged B．had they encouragedC．did they encourage D．they encouraged
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（2016·江苏） Not until recently ______the development of tourist-related activities in the rural areas.A．they had encouraged B．had they encouragedC．did they encourage D．they encouraged