When he was working there he caught a serious illness from _____ efforts he still suffers. 
#72572
A
which
B
that
C
whose
D
what
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He went to the station hurriedly only ______that the bus had gone away.  
#68370
A
to tell
B
to be told
C
telling
D
being told
. ________ when the boulders suddenly disappeared.
#70294
A
So relieved we felt
B
How relieved we felt
C
What a relief we were feeling
D
How we felt relieved