来自任金昌的问题
【John’sfather_______mathematicsinthisschooleversincehegraduatedfromHarvardUniversity.A.taughtB.teachesC.hastaughtD.isteaching】
John’sfather_______mathematicsinthisschooleversincehegraduatedfromHarvardUniversity.
A.taught
B.teaches
C.hastaught
D.isteaching
1回答
2020-05-12 18:27