He has been swimming for an hour对“for an hour”提问

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 16:43:40
Hehasbeenswimmingforanhour对“foranhour”提问Hehasbeenswimmingforanhour对“foranhour”提问Hehasbeenswimmingfor

He has been swimming for an hour对“for an hour”提问
He has been swimming for an hour对“for an hour”提问

He has been swimming for an hour对“for an hour”提问
how long has he been swimming?