----Have you seen____pen﹖I left it here this morning.
-----Is it____black one﹖I think I saw it somewhere.
A.a;the | B.the;the | C.the;a | D.a;a |
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----Have you seen____pen﹖I left it here this morning.
-----Is it____black one﹖I think I saw it somewhere.
A.a;the | B.the;the | C.the;a | D.a;a |