The police ____ still not sure ______ the young man killed himself or was killed.
#56977
A
is, if
B
is, whether
C
are , whether
D
are, that
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It’s _____ hard problem for the twins that ____ of them can work it out.
#58003
A
so; neither
B
such a; neither
C
so a; neither
D
such a; none
---_______ her father work? --- In a restaurant.
#57503
A
What does
B
Where does
C
Where do
D
Who does
My mother doesn’t like watching romantic films _______ they usually have happy endings.
#57717
A
after
B
because
C
though
D
while