It is said that the conference will last _______ three to four hours and include a meal.
There are ten ________ teachers and two hundred ________ students in the school.
He kept sending her presents in an attempt to win her ________.
The doctor is skilled at treating heart trouble and never accepts any gift from his patients,so he has a very good ________.
We have worked out the plan and now we must put it into ________.
Anyway,I can’t cheat him—it’s against all my________. (2011·浙江,18)