He asked me whether my brother ________ (fly) to Beijing.
had flown
暂无解析
Thistest________anumberofmultiplechoicequestions.
Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
Ipreferthisdiagram________thatone.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Thefloordoesnotlooksobadwhen________(sweep)clean.