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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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 |