This machine, ______for many years, is still working perfectly. 
#73761
A
after which I have looked
B
which I have looked after
C
that I have looked after
D
I have looked after
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There is no doubt ________ he will succeed.
#68220
A
whether
B
which
C
that
D
if
 I felt very strange __________________.
#69425
A
when the first time I skied
B
for the first time I skied
C
the first time when I skied
D
when I skied for the first time
America was____________ was first called" India" by Columbus
#74210
A
that
B
where
C
what
D
the place