My grandmother has kept the photo ______ she can see it every day for a couple of decades. 
#67545
A
which
B
when
C
that
D
where
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Though the key was pressed, nothing ______ on the screen.
#41230
A
appeared
B
was appeared
C
appears
D
is appeared
It is said the couple fell in love_____ they met.
#68189
A
the first time
B
the first time when
C
for the first time that
D
when that