185. Hello! I_______ you _______ in London. How long have you been here?
A.don't know…were | B.hadn't known…are |
C.haven't known …are | D.didn't know … were |
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185. Hello! I_______ you _______ in London. How long have you been here?
A.don't know…were | B.hadn't known…are |
C.haven't known …are | D.didn't know … were |