Mother made a promise ____ I passed the college entrance examination she would buy me a mobile phone.
#80153
A
that
B
if that
C
that if
D
that whether
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It is not immediately clear__________ the financial crisis will soon be over.
#34723
A
since
B
what
C
when
D
whether
Most birds find it safe to sleep in the trees, but ______ they have eggs or young chicks, they don’t use a nest.
#33314
A
why
B
how
C
where
D
unless
Mary had promised to give me a ticket for tomorrow. She failed, ____.
#80630
A
either
B
though
C
but
D
too