1._______from heart trouble for years,profe1._______from heart trouble for years,professor white has to take some medicine with him whereever he goes.A sufferedB sufferingC Having sufferedD Being suffered请问选什么,并说明原因,

问题描述:

1._______from heart trouble for years,profe
1._______from heart trouble for years,professor white has to take some medicine with him whereever he goes.
A suffered
B suffering
C Having suffered
D Being suffered
请问选什么,并说明原因,