赞题库-背景图
单项选择题

______ to his research work, the professor cared little about any other things.

A. Devoting
B. Devoted
C. Having devoted
D. To devote
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热门试题

单项选择题To get a high score ______.

A. working hard is needed
B. one must work hard
C. working hard is very important
D. requirement is what is needed

单项选择题About two ______ took part in the sports meet last month.

A. hundred people
B. hundreds people
C. hundreds of people
D. hundreds peoples