题目

Hello，I'm Alice！Today is my birthday.I have a birthday ______ at home.Some of my friends come to my home，and they ______ some presents for me.I am very ______ to see them.At my party，my friends and I play games，and we all have ______．My friends sing (唱) the song Happy Birthday to me.And then we ______ the birthday cake and the ice­cream.After that，my friends want ______ to open (打开) my presents.They are interested in (对……感兴趣) them ______ want to have a look at them.So they ______ me open the presents.All the presents are nice.I like them very much.I say “Than19、如图，AB∥DC，E为BC的中点．（1）过E作EF∥AB，EF与AD交于点F；（2）EF与DC平行吗？为什么？