The American doctor has been there___.A.in three weeksB.three weeks agoC.has leftD.for over three weeks

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/22 03:07:25
TheAmericandoctorhasbeenthere___.A.inthreeweeksB.threeweeksagoC.hasleftD.foroverthreeweeksTheAmerica

The American doctor has been there___.A.in three weeksB.three weeks agoC.has leftD.for over three weeks
The American doctor has been there___.
A.in three weeksB.three weeks agoC.has leftD.for over three weeks

The American doctor has been there___.A.in three weeksB.three weeks agoC.has leftD.for over three weeks
D for 加一段时间,前面要用完成时