More recently,a bicycle has been invented that is _____ comf

More recently,a bicycle has been invented that is _____ comf 请教一个OC IS问题It has recently been discovered that和It is a rece A study has been _____ recently .这个空填什么? _____ has recently been done to provide more buses for the p It is said that the bicycle was invented ---- A.in 1880s B i It is said _____ has been translated into French A.that that 英语翻译Nothing has been invented yet that will do a better job 英语口语考试题目It has recently been announced that a large shopping It is said they he has invented a new machine. He ____ _____ Recently,is it wise to make friends online has been a heated 英语翻译It has been observed recently that in Ethiopia urbanizat It is said that Lily has bought a DV recently,________ that