来自陈雪梅的问题
Thelastdecade_______tremendouschangesinthemeansoftransportation.A.haswitnessedB.waswitnessC.witnessedD.iswitnessed我选了A,但答案是C,
Thelastdecade_______tremendouschangesinthemeansoftransportation.
A.haswitnessedB.waswitnessC.witnessedD.iswitnessed
我选了A,但答案是C,
3回答
2020-12-28 00:18