题目内容
Mary writes ________ e-mail to David.She found ________ keys.
[ ]
A.a; him
B.an; his
C.a; her
D.an; he
答案:B
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题目内容
Mary writes ________ e-mail to David.She found ________ keys.
A.a; him
B.an; his
C.a; her
D.an; he