Most birds find it safe to sleep in the trees, but ____ they have eggs or young chicks, they don’t use a nest.
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A
why
B
how
C
unless
D
where
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(2013·高考四川卷)He is so busy.He cannot afford enough time with his son________he wants to.
#30663
A
even if
B
as if
C
because
D
before
They are talking excitedly about the writers and their books ________ interest them.
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A
who
B
whom
C
that
D
Which
All people, they are old or young, rich or poor, have been trying their best to help those in need since the disaster.
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A
even if
B
whether
C
no matter
D
however
Jordan kept his illness from his opponents before the final game they might know about it.
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A
now that
B
on condition that
C
for fear that
D
in order that