问题

________ to his research work, the professor cared little about any other things[ ]
A: Devoting
B: Devoted
C: Having devoted
D: To devote
B: Devoted
C: Having devoted
D: To devote
正确答案是:
同类题型
How much do you need ______ that bike
下列句子与例句句式相同的一项是( )例:折节读书,欲以此驰骋当世,然终不遇。
Some students were late for class because they had been _________ by the heavy storm.
It was just at the timethe bell rang he finished the last word in his composition.
At lessthan $100 this smart and digital camera is good _______ for money.