It _______ for two hours now
D
雨现在还在下,是持续到现在的动作,所以根据句意,用现在完成进行时比较好。
Chinaisamountainouscountry.Hills,mountains,andplateauscover_______ofthetotalarea.
Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
TheWesternCouncilforTravelResearchin_______employedthetermvisitor.