（2010·重庆模拟）—Alice, you look puzzled．Haven’t you understood it? —Yes．I _____of another problem just now．
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A
had thought
B
have thought
C
thought
D
was thinking
推荐题目
How is your sister?-She___ quite good after the operation, but she is taking a tum for the worse today.
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A
felt
B
feels
C
had felt
D
has been feeling
Chinese government has built new houses to ____ the homeless people in the flooded area.
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A
save
B
seat
C
house
D
praise
The book was received so eagerly that it _____ on the first day.
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A
sold up
B
was sold up
C
was sold out
D
sold out
By the end of last year, another new gymnasium________ in London.
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A
have been completed
B
were completed
C
had been completed
D
was completed
It is hard for me to imagine what I would be doing today if I _______ in love at the age of seven, with the Melinda Cox Library in my hometown.
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A
wouldn’t have fallen
B
had not fallen
C
should fall
D
were to fall