问题:
All her time _______ research, the scientist has no time for films.
[ ]
A. devoted to do
B. is devoted to doing
C. devoting to doing
D. devoted to doing
All her time _______ research, the scientist has no time for films.
B. is devoted to doing
C. devoting to doing
D. devoted to doing
[ ]
A. devoted to do B. is devoted to doing
C. devoting to doing
D. devoted to doing
参考答案: