After 5 days of fantastic space trip ,the two astronauts walked out of the spaceship, ______.
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A
tired and happy
B
tired but happy
C
tiredly and happily
D
tiredly but happily
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After the new technique was introduced, the factory produced _____ cars in 2010 as the year before.
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A
as twice many
B
as many twice
C
twice as many
D
twice many as
 _______ on the fact, the report should be reliable.
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A
Basing
B
To be base
C
Based
D
To base
There were no tickets __________ for Friday’s performance.
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A
useful
B
available
C
helpful
D
reasonable