All his time _______research on Chinese
题型:选择题
问题:
All his time _______research on Chinese history, he has no time for outdoor activities.
A.devoted to do
B.devoted to doing
C.devoting to doing
D.is devoted to doing
All his time _______research on Chinese history, he has no time for outdoor activities.
A.devoted to do
B.devoted to doing
C.devoting to doing
D.is devoted to doing