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10. I don’t know ____________ he will agree to the plan or not.

9. Would you please tell me ____________ the nearest post office is?

8. Is that ____________ you are looking for?

7. Please tell me ____________ you are waiting for.

6. ____________ and ____________ they will meet has not been decided yet.

5. The fact ____________ she had not said anything at the meeting surprised everybody.

4. ____________ we need is more time.

3. I am very interested in ____________ he has improved his pronunciation in such a short time.

2. That’s ____________ he refused my invitation.

1. I can’t decide ____________ dictionary I should buy.