问题
选择题
As the supermarket _______, all the goods are sold at half price.
A．has closed down
B．is closing down
C．closed down
D．had closed down
答案
答案：B
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As the supermarket _______, all the goods are sold at half price.
A．has closed down
B．is closing down
C．closed down
D．had closed down
答案：B