53.Please make sure every student knows _ B______ if the bui

53.Please make sure every student knows _ B______ if the bui Please make sure every student knows ------if the building c please make sure every student （ ）a new bag.应该填have还是has? knows the every thing ...god bless .please! please make sure you Make sure your printer _(connect) to the computer please make sure you have entered the correct sharing code warning upun removal of the shipping aids ,please make sure where 在从句中作什么成分?make sure that everyone knows where the kit How can you make sure that the other person knows who you ar 这个空应该填什么 every student knows the answer___ this question A.t make sure if或make sure weather对吗?