(2013·济南二模)It was during the Ming Dynasty ________ the Great Wall was repaired and extended to take on the appearance it has today.
#30404
A
when
B
which
C
what
D
that
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________small，the company has about 1,000 buyers in over 30 countries.(2013·天津，5)
#30221
A
As
B
If
C
Although
D
Once
The director thought I was referring to her, in fact, I was referring to the men on duty.
#33052
A
when
B
where
C
which
D
while
____________for children, the album became popular with parents __________it came out.
#31248
A
Designed; when
B
Designed; immediately
C
To design; as soon as
D
Designing; as
In America, many people waste a lot of food _____ in Africa people haven’t enough to eat.
#33108
A
however
B
although
C
as
D
while