29.Joined by their friends, Troy and Cabrella staged a musical _____ their experiences, hopes and fears about the future.
. “Meals on wheels” is a free service, ____ hot meals are delivered to elderly people who may not be able to move around very easily.
. . To her disappointment, what she had devoted herself to ____ in nothing but failure.
. –Did you see ____ English teacher? --I saw him at ____ work in the office just now.
. When ____ a new word, you’d better _____ a dictionary.
. After the quarrel, I tried all my best to fix the misunderstanding between us, but all my efforts seemed ______.