来自李永太的问题
whileotherstudentsarebusypreparingfortheeaxm,he___relaxedontheplayground.A.remainedB.remainsC.isremainedD.hasbeenremaining正确答案是B.为什么?
whileotherstudentsarebusypreparingfortheeaxm,he___relaxedontheplayground.
A.remainedB.remainsC.isremainedD.hasbeenremaining
正确答案是B.为什么?
1回答
2020-03-13 10:20