________ walk is expected to last all day, so bring ________ packed lunch.
A.A ; a | B.The; 不填 | C.The; a | D.A ; 不填 |
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________ walk is expected to last all day, so bring ________ packed lunch.
A.A ; a | B.The; 不填 | C.The; a | D.A ; 不填 |