Schools in the north tend to be better equipped, ______ those in the south are relatively poor.
#30796
A
as
B
unless
C
when
D
while
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It even leaves the wise scientists in wonder____ they should call the newly-born creature, which looks half-human and half-animal.
#30514
A
what
B
how
C
why
D
that
_____ I admit that all these problems are difficult, I don’t agree that they cannot be solved.
#31404
A
Unless
B
While
C
Until
D
Since
He was diagnosed with cancer last month, but he carried on with his work ______ nothing had happened.
#33558
A
even thought
B
as if
C
so that
D
in case
The golden rule is not to waste time waiting for opportunity. Begin, ______ opportunity will find you.
#31329
A
and
B
when
C
so
D
because
_____H7N9 is a deadly virus, it is still safe to eat thoroughly-cooked chicken.
#31394
A
Until
B
While
C
If
D
Since