Many of them turned a deaf ear to his advice, _______ they knew it to be valuable.
#32099
A
as if
B
even though
C
now that
D
so that
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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
(2014·河南豫北三校联考)________is well known to everyone，I should say，is that a man becomes learned by asking questions.
#30046
A
Who
B
It
C
As
D
What
(2014·兰州高三质检)Our country is developing at an amazing speed，which is________makes me feel so proud.
#30033
A
what
B
why
C
that
D
where
_____ maths is concerned, Tom is the best student in our class.
#32676
A
s long as
B
s well as
C
s soon as
D
s far as
When astronauts return to the earth’s atmosphere, helicopters fly to________they would land, ready to collect them.
#34720
A
what
B
where
C
which
D
that