You can make the best of exercise by integrating some form of exercise into ______.

A．The history of English dictionaries.
B．The features of different dictionaries.
C．How to compile English dictionaries.
D．The difficulties during Compiling dictionaries.

A．She’s impressed with the ticket sellers.
B．She’s pleased about the man’s purchase.
C．She’s uncertain about the change in plans.
D．She’s resigned to the situation.