摘要： ---Excuse me, but I don’t think you can take photos here. ---Sorry I this is no-photo zone. A. don’t know B. didn’t know C. have no idea D. haven’t known
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--- Excuse me, but I don’t think you can take photos here.
--- Sorry. I _______ this is no-photo zone.（地区）
| A．don’t know | B． have no idea |
| C． didn’t know | D．won’t know |