I shall never forget ________ (meet) the late Premier Zhou during his inspection of our factory.
meeting
暂无解析
A beam of light will not bend round corners unless ________ (make) to do so with the help of a reflecting device
Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
Thistest________anumberofmultiplechoicequestions.
Ifound________toanswerallthequestionswithinthetimegiven.
How long ________ they ________ (dig) the ditch?
