It was when she was reading a book in her study ______a thief broke into the house.
A) where
B) that
C) so
D) what
The story of Peter Pan is so fascinating that all the children like it.
A. interesting
B. adventurous
C. entrancing
D. extraordinary
In the Pacific Northwest, as climate and topography vary, so do the species that prevail in the forests.
A. dominate
B. reproduce
C. rebuild
D. invade
One of the most provocative ideas of modern physics was initiated by the British theorist P. Dirao.
A. stimulating
B. popular
C. enduring
D. powerful