— Look! The girl ______ long hair is making a snowman. Is she Sandy?— It _______ be her. I’m not sure.
A: When do you usually have dinner? B: ____6:30____the evening.
I like English, ____ I am not good at it.
There is ____ office on the first floor(一楼).
A: Is the pen on the desk?B: ____.
A: Is there a computer in your class?B: ____.