A．The librarian thought that the books had been borrowed.
B．The librarian thought that the man was embarrassed.
C．The librarian thought that the exit gate was broken.
D．The librarian thought that the man wanted to steal the books.

A．Supermarket.
B．Yard.
C．Restaurant.
D．Hotel.

A．Trim and wrap fresh fruit and vegetables.
B．Stock shelves.
C．Work at the check-out counter.
D．Sell fresh fruit and vegetables.