问题补充:
单选题Thesekidsarequickatlearning.Wehadbetterhavethem__inanewway.A.having been trainedB.trainingC.being trainedD.trained
答案:
D
时间:2018-12-03 07:12:43
单选题Thesekidsarequickatlearning.Wehadbetterhavethem__inanewway.A.having been trainedB.trainingC.being trainedD.trained
D