问题补充:
单选题Whenfirst________tothemarket,thecomputersoftware.wasnotasuccessduetoitscomplexityinoperation.A.introducingB.being introducedC.introducedD.to be introduced
答案:
C解析状语从句的省略 , 完整的从句为 : When it was first introduced.
时间:2021-02-09 18:30:27
单选题Whenfirst________tothemarket,thecomputersoftware.wasnotasuccessduetoitscomplexityinoperation.A.introducingB.being introducedC.introducedD.to be introduced
C解析状语从句的省略 , 完整的从句为 : When it was first introduced.