单项选择题
M: I’d like to take those three books out and return these. W: OK, but they are overdue, I’ll have to charge you for two days.
A.At a supermarket. B.At a bar. C.At a library.
A.measures the movement of a spaceship by means of light beam B.makes use of microwaves C.makes use of sound waves D.both A and B
A.searched for B.held up C.taken over D.broken into