题目内容
-Excuse me. Could you please tell me where the twins are?
-They are showing a friend of ___________ around our school.
A.them B.their C.theirs D.themselves
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题目内容
-Excuse me. Could you please tell me where the twins are?
-They are showing a friend of ___________ around our school.
A.them B.their C.theirs D.themselves