摘要： --Excuse me, but I don’t think you can smoke here. --Really sorry. I this is a non-smoking room. A. don’t know B. didn’t know C. have no idea D. haven’t known
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–Excuse me, sir, but I don’t think you can smoke here.
–Really sorry. I ______ this is a non-smoking area.
A. don’t know B. didn’t know C. have no idea D. haven’t known
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–Excuse me, sir, but I don’t think you can smoke here.
–Really sorry. I ______ this is a non-smoking area.
–Really sorry. I ______ this is a non-smoking area.
| A．don’t know | B．didn’t know | C．have no idea | D．haven’t known |
–Excuse me, sir, but I don’t think you can smoke here.
–Really sorry. I ______ this is a non-smoking area
- A.don’t know
- B.didn’t know
- C.have no idea
- D.haven’t known
–Excuse me, sir, but I don’t think you can smoke here.
–Really sorry. I ______ this is a non-smoking area.
| A．don’t know | B．didn’t know | C．have no idea | D．haven’t known |