______from heart trouble for years,Professsor Wang has to take some medicine with him wherever he

______from heart trouble for years,Professsor Wang has to take some medicine with him wherever he
:Suffered
B:Suffering
C:Having suffered
D:Being suffered
英语人气:952 ℃时间:2020-04-22 05:06:07
优质解答
c
suffer 不及物
用完成式表示对现在的影响
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