WhileI的精選

問題詳情：WhileI      anovel，someone     atthedoor．  A．read，wasknocking               B．read，knockedC．wasreading，knocked．       D．wasreading，wasknocking【回答】C知識點：動詞時態題...

問題詳情：WhileI________totheprograms,mymother________outside.A.listened;waswashing                                     B.waslistening;washedC.waslistening;waswashin...