Webelievesuchanagreementwillprove____.
Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
Weregret______toacceptyourtermsofpaymentandthereforehavetoreturntheordertoyou.
Thepolicemancameuptothelonelyhousewiththedoor_______,_______thereforawhileandthenenteredit.
从新闻本质和特性到新闻价值及其规律的研究，要回答的根本问题是()。
