小博士：仔细阅读下面的句子，注意观察对比A、B栏划线部分：

相信同学们会发现A栏所有句子的下划线部分是由be动词加上动词的ing形式构成，表时间的词是now；而B栏所有句子的下划线部分是由be going to do构成，表时间的词则是tomorrow，next year，next Sunday。你发现了它们的不同之处了吗？你能判断下面句子的正误吗？正确的请在方框内打√，错的打×。

1) He going to move to Washington D.C..□

2) They're go to get lots of exercise.□

3) We're listening to the music now. We really love music.□

4) Now it's 7:00. She's have her breakfast.□

5) I'm going to take piano lessons next year.□

He ______ (be) going to work hard for the wall newspaper.

It ______ (be) going to rain tomorrow.

They ______ (be) going to see a film this afternoon.

用所给动词的正确形式填空

She said that she ________ (be) going to look after the old man.