---Whydoyoulookworried?---Therearesomanyproblems_________．A.remaningtose

发布时间：2020-08-06 12:56:46

---Why do you look worried?---There are so many problems _________．A.remaning to settleB.remained settlingC.remaining to be settledD.remained to be settled

网友回答

C解析根据句意，此处应表示还有许多问题有待于解决。remain to be done表此意。又remain为不及物动词，故选C项。
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