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 very nice_________you __________ my parents your best wishes.
#56017
A
of; sending
B
of; to send
C
for; to send
D
for; sending
It is a nice digital camera, ________ a little expensive.
#55558
A
as
B
since
C
though
D
unless
I will tell him ___________ I see him. 
#56654
A
after soon
B
soon as
C
as soon as
D
till