The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution．
#9953
A
/; /
B
the; /
C
the; the
D
a; the
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I often have conversations with John over telephone, while keep in touch with Tom by__________ letter.
#10079
A
不填;;the
B
不填;a
C
the;不填
D
the; a
In _______ gesture to help preserve history, the locals are repairing _______ large percentage of the historic sites steadily.
#9433
A
the; the
B
a; a
C
the; a
D
/; the
“Geili”, popular Chinese Internet buzzword, is now widely accepted by public as an adjective describing something that’s “cool”.
#9169
A
the , a
B
a , a
C
the , the
D
a , the
On ________ Friday when Tom was having an art lesson，as he had no color pencils with him，he drew ________ blue sun with his pen.
#7880
A
/；the
B
/；a
C
the；the
D
a；a