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- I hear Mr Brown lives here, but I’m not sure .
- I am wondering ______________.
- He didn’t tell me _______.
- Could you tell me ?–Sorry, I don’t know .I was not at the meeting.
- The social worker asked Daniel ______________.
- What time will Mr. Brown be back to China? – Sorry, I don’t know______.
- I hear your uncle works in Beijing. Can you tell me ________?—For 5 years.
- I don’t know_____________?—In ten minutes.
- 一Excuse me. Do you know___________?一Sorry,I don’t know.
- Your father seemed worried about something this morning, why? — He wanted to ____________.