We haven’t settled the problem of_______it is necessary for him to study abroad.
#73977
A
that
B
whether
C
what
D
if
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Luckily, we’d brought a road map without ______ we would have lost our way.
#72575
A
it
B
that
C
this
D
which
Do you remember the day ________ we played all day along the seaside?
#70259
A
which
B
that
C
when
D
about which
The Browns held _______ they called “family day” once each year.
#69355
A
that
B
what
C
which
D
when
______ environmental damage is done, it takes many years for the ecosystem to recover.
#73217
A
Even if
B
If only
C
While
D
Once