Therearesomanyfoggyd的精选

问题详情：Therearesomanyfoggydaysrecently,weallwonder_________.A.howistheairpollutedB.whytheairisseriouslypollutedC.whatcanwedotopreventthatbadweatherD.whataretherealreasons【回答】B知识点：宾语从句题型：选...