______ from heart trouble for many years, Professor Brown has to take some medic

游客2025-07-24 21

问题 ______ from heart trouble for many years, Professor Brown has to take some medicine with him wherever he goes.

选项 A、Suffered
B、Suffering
C、Having suffered
D、Being suffered

答案 C

解析 “suffer from”是Professor Brown发出的动作，所以不应用被动语态，据此排除A、D，另外suffer from这一动作发生在过去持续到现在并可能一直持续下去，所以用完成时态。

转载请注明原文地址:https://www.tihaiku.com/zcyy/4174297.html

相关试题推荐

随机试题

最新回复(0)

Whenhewas______hehadbecomeaprofessor.A、inhisearlythirtyB、inhisearl