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He seems too tired today, and I wonder _________ he got a good sleep last night.
#30205
A
when
B
that
C
if
D
where
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Put on your coat __ you will catch a cold.
#34450
A
and
B
or
C
so
D
thus
He doesn’t think the question of ________they are boys or girls is important.
#30983
A
if
B
whether
C
which
D
that
One of the men present held the opinion ________ the book said was wrong.
#79860
A
what that
B
what
C
that
D
that what
He is my father and I know he will forgive me for _______ I have done.    
#34377
A
whatever
B
no matter what
C
no matter how
D
whichever
5. “Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
#80146
A
after
B
unless
C
until
D
when