-- You know who came to our school yesterday?-- Professor Smith? We once met at a conference.-- ______. He came and gave a wonderful speech.
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)
Teachers have to constantly update their knowledge in order to maintain their professional________. (2011·江苏,27)
There’s a ________ in our office that when it’s somebody’s birthday,they bring in a cake for us all to share. (2011·山东,34)
Always remember to put such dangerous things as knives out of children’s ________. (2011·四川,13)