From the top of the tower, people can see at least ________ distance of 10 kilometers on ________ clear day.
A.a; the | B.不填; a | C.a; a | D.the; the |
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From the top of the tower, people can see at least ________ distance of 10 kilometers on ________ clear day.
A.a; the | B.不填; a | C.a; a | D.the; the |