One more month，________these baby birds will fly out of their nest.
#80196
A
or
B
and
C
but
D
otherwise
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—Why didn’t you try your best to get on the bus?—I tried to , but _______ I could, it started moving.
#34227
A
before
B
when
C
until
D
after
________ unemployment and crime are high，it can be assumed that the latter is due to the former.
#30434
A
Before
B
Where
C
Unless
D
Until
We do jobs_____they need to be done and that could be early in the morning or late at night.
#34066
A
that
B
which
C
when
D
how
I have no doubt in my mind_____ they will be happy to accept the job.
#30567
A
if
B
whether
C
that
D
what
_______these coins are of different shapes, sizes and colors, they all date back to a long, long time ago.
#32529
A
Since
B
Unless
C
Once
D
While