根据下面的对话中的情景，再每一空中填入一个适当的语句，使语句恢复完整。
A:Hello,Mary.
B: 76_________________________________?
A: Hi,Mary,this is Tom.77_____________________________?
B: I’m reading a book.
A: Do you want to go to the movies?
B: 78_______________________.The book is too boring.
A: 79 _________________________________.
B: Ok.I like watching action movies.80________________?
A: Let’s go at seven o’clock. It begins at seven thirty.
B: Ok.See you then.
A: See you.
小题1:Who’s that?
小题2:What are you doing?
小题3:That sounds good.
小题4:Let’s watch action moives.
小题5:When shall we go?
小题1:本题为打电话用语，问对方你是谁用who’s that？，故本句空格处填Who’s that?
小题2:本句下句的含义为我正在看书，所以本句的含义为你正在做什么，故本题空格处填What are you doing?
小题3:下句提到去看电影，所以对于看电影的建议应该说的话为那听起来不错，故本句空格处填That sounds good.
小题4:下句提到我喜欢看动作片，所以本句应该是建议让我们去看动作片吧，故本题空格处填Let’s watch action moives.
小题5:下句表示我们去看电影的时间，所以本句问的应该是我们将何时去，故本题空格处填When shall we go?