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
推荐题目
Tony hasn’t got any hobbies — ________ you call watching TV a hobby.
#56851
A
because
B
when
C
unless
D
if
—Will you go to Nanjing by bus _____ by plane?—By plane. It is expensive ______ fast.
#56971
A
or; but
B
or; and
C
and; but
D
and; and
—How do you plan to travel to Beijing, Jack?—I haven’t made up my mind ________to go by plane or not.
#55148
A
if
B
whether
C
when
D
how
