相关Itisknownthatwateris的文学知识

问题详情：Itisknownthatwaterisnot_____endlessresource,nor_____thatcanbemadeoncemore.  A.the;不填     B.an;one      C.an;that        D.不填；one 【回答】B 知识点：冠词题型：选择题...