．The development of industry has been________gradual process throughout________human existence，from stone tools to modern technology. (2012·浙江，2)
#7774
A
/；the
B
the；a
C
a；/
D
a；a
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Don’t take it seriously, Alice. I wasn’t making ______ fun of you — it’s nothing but ______ joke.
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不填; the
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the; the
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the; a
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I don’t think the experiment is _________ failure. At least we have gained _________experience for future success.
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/; the
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a; the
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Catching _____ sight of their head teacher coming, the students fell into silence all of _____ sudden.
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the; the
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/; a
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_______ Yancheng today is more beautiful now. Mr.Jackson said he would visit it ______ fourth time.
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The ; /
B
The ; the
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/ ; a
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