Tell me what you are going to do1 Sunday morning, Mike. Mr Zhang asks, "I'm going to see2 new film. It's an English film3 the life of the students in America. Bill tells me it's4 interesting."

    "After seeing the film, what are you going to do?" Mr Zhang wants5 " I'm going to read Chinese." Mike says. "Do you like it?" asks Mr Zhang. "Chinese is not6for me, but I like it very much. I'm going7hard at it. After lunch I'm going to do my homework. I think I 8 do it better than before." "Then9 about Sunday evening?" Mr. Zhang asks, "After supper I'm going to help Han Mei 10 her English. She wants my help." Mike says.

    "You are going to have a busy day, aren't you?" says Mr Zhang.

如图，四边形ABCD内接于⊙O，如果它的一个外角∠DCE=64°，那么∠BOD等于（　　）