Therearesomanyfoggyd的精選

問題詳情：Therearesomanyfoggydaysrecently,weallwonder_________.A.howistheairpollutedB.whytheairisseriouslypollutedC.whatcanwedotopreventthatbadweatherD.whataretherealreasons【回答】B知識點：賓語從句題型：選...