__________ from heart trouble for years Mr. White has to take some medicine with him wherever he goes.
#96817
A
Suffered
B
Suffering
C
Having suffered
D
Being suffered
推荐题目
____ the machine, the engineers paid much attention to the noise from it.
#93116
A
Having examined
B
Being examined
C
Examining
D
Examined
. He regretted______ to the lecture the day before. 
#97304
A
not going
B
not to go
C
not have gone
D
to not going
Kate is said ________ abroad, but I don’t know what country he studied in.
#90956
A
to have studied
B
to study
C
to be studying
D
to have been studying