来自卢宏涛的问题
Theastronautssucceededin_____fromthemoontotheearth.A.returnB.returningC.toreturnD.returned
Theastronautssucceededin_____fromthemoontotheearth.A.returnB.returningC.toreturn
D.returned


Theastronautssucceededin_____fromthemoontotheearth.A.returnB.returningC.toreturnD.returned
Theastronautssucceededin_____fromthemoontotheearth.A.returnB.returningC.toreturn
D.returned
B,
in是介词,后面跟动词的ing形式
祝你更上一层楼,有不懂的可以再问哦