All my father's time___experiments,he has no time for flimesA.devoted to doB.devoted to doing C.devoting to doingD.is devoted to doing

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All my father's time___experiments,he has no time for flimesA.devoted to doB.devoted to doing C.devoting to doingD.is devoted to doing
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

All my father's time___experiments,he has no time for flimesA.devoted to doB.devoted to doing C.devoting to doingD.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

没有连词,应该选B

D