Steps must be taken ______this kind of disaster will never happen again.
#33840
A
because
B
even if
C
as
D
so that
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________ all of them are strong candidates，only one will be chosen for the post.
#30231
A
Since
B
While
C
If
D
As
_____ he has been blind since birth, Joseph Chadbourne never feels different from his class-mates at school.
#30914
A
Since
B
Once
C
Unless
D
While
______ you’ve got a chance, you might as well make full use of it.
#30940
A
Now that
B
After
C
Though
D
As if
Tom is now getting on very well with his studies ,____with his maths and physics .
#80207
A
or else
B
or rather
C
rather than
D
other than