All my father's time___experiments,he has no time for flimes

问题描述:

All my father's time___experiments,he has no time for flimes
A.devoted to do
B.devoted to doing
C.devoting to doing
D.is devoted to doing

答案 B
原因:devoted to 是固定短语,to是介词,后必须跟V.ing形式,所以排除A
devote是动词,排除C和D