The supermarket _________for 3 hours.选择:A.has openedB.has been open

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Thesupermarket_________for3hours.选择:A.hasopenedB.hasbeenopenThesupermarket_________for3hours.选择:A.ha

The supermarket _________for 3 hours.选择:A.has openedB.has been open
The supermarket _________for 3 hours.
选择:A.has opened
B.has been open

The supermarket _________for 3 hours.选择:A.has openedB.has been open
B
open在这里是动词
supermarket“超市”作主语时要用被动语态.
has/have been done 是现在完成时的被动语态.

选b
要用被动语态,而且open前要加been

B

A.has opened
B.has been open ---如果open没有ed后缀的话,那就选a,如果有ed那就选b

选择 B.has been open
The supermarket has been open for 3 hours.
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