— I wonder _____ Mr. Black changed his mind to take part in the movement.
— After he listened to the speech by Mr. King.
A.when was it that | B.when was that it | C.when that was | D.when it was that |
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— I wonder _____ Mr. Black changed his mind to take part in the movement.
— After he listened to the speech by Mr. King.
A.when was it that | B.when was that it | C.when that was | D.when it was that |