beg,preview,review,dry,copy的过去式,过去分词,进行时

beg,preview,review,dry,copy的过去式,过去分词,进行时 To do and并列后接do还是to do?If we want to learn English well,it is useful____ before class and____after class.A.to review;previewB.to preview;reviewC.review;to preview;D.to preview;to review review review review Review this graph cannot preview era - preview era This graph cannot preview the poor child had to --- food from door to door A.ask for B.beg C.ask D.beg for beg是什么意思 Beg Bal Community Test Preview 怎么读 file too large to preview this grarh cannot preview是什么意思? 英语翻译This graph cannot preview 把这篇文章变成过去时!This weekend I'm doing a lot of things First of all,I had finished writing assignments,also watched for a while and books.Then I looked at the television to review and preview.I play computer,and watching TV.Finally,I g Review and