名词：the particular work which one believes it is one's duty to do.______________________.
举一反三
- A_________ (bind) duty is a duty one is bound to do .
- The word () means "the act of failing to perform one's agreement, breaking one's word, or otherwise actively violating one's duty to other".
- Which one is not John Keats’ work?
- I'd like a pen which _________ well. Will this one _________? A: A. writes; do B: B. writes; work C: C. is written; do D: D. is written;work
- which one do you prefer, red one or blue one? A: blue B: red