Đáp án

3.I have not decided the day when I'll go to London

4.He was born on the day when his father was away

5.The book in which we can look up telephone numbers is a telephone directory

6.Mrs brown rang Dr.Brown when he was going to carry out an urgent operation

7.The airpost where we're going to arrive is the most modern one

8.She doesn't want to speak of the cause why she dirorced her husband

9.The day when I lived far from home were the saddest ones

10.I never forget the park where we met each other for the first time

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