Thetimeandeffortheha的精選

問題詳情：Thetimeandefforthehasdevotedduringthepastfewyears_______treesinthatremoteareaisnowconsideredtobeofgreatvalue.A.ofplanting   B.toplant  C.plant   D.toplanting【回答】D知識點：非謂語動詞題...