_____ 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
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Do not let any failures discourage you, for you can never tell ______close you may be to success.
#30371
A
how
B
that
C
which
D
where
After three years of preparation for the 2011 Xi’an International Horticultural Expo (西安园博)会），the city is presenting the world______ many people think is the green Special Olympics．
#32980
A
that
B
which
C
what
D
where
We had to wait half an hour _______ we already booked a table.
#79973
A
since
B
although
C
until
D
before