摘要：25．---I’m sorry, but there’s no smoking on this flight． ---Oh, I that．Sorry, I won’t again． A．don’t know． B．didn’t know． C．won’t know D．haven’t known．
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——I’m sorry , but there’s no smoking on this flight ．
——Oh, I _______that ．Sorry , I won’t again ．
A．don’t know B．didn’t know
C．won’t know D．haven’t known
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---I’m sorry , but there’s no smoking on this flight ．
---Oh, I _______that ．Sorry , I won’t again ．
- A.don’t know
- B.didn’t know
- C.won’t know
- D.haven’t known
——I’m sorry , but there’s no smoking on this flight ．
——Oh, I _______that ．Sorry , I won’t again ．
| A．don’t know | B．didn’t know |
| C．won’t know | D．haven’t known |