来自李龙海的问题
ProfessorLisaidthatlight_____fasterthansound.A.travelB.travelledC.travelsD.travelling选择哪个呢?为什么?
ProfessorLisaidthatlight_____fasterthansound.
A.travelB.travelledC.travelsD.travelling选择哪个呢?为什么?
1回答
2020-06-16 01:53