When the teacher says to the whole class “Stand up and act out the dialogue”, he/she is playing the role of ______.

(单选题)Steve Jobs was full of ______—always coming up with new idea (单选题)—Are you a fan of the science TV show Super Brain?—Yes, I’m (单选题)—It’s useful for the deaf people to learn sign language.—Yes (单选题)—If is said that the fire in Liangshan ______ at around 8 a. (单选题)Attention, please! The last award will be ______ to the best (单选题)I felt much ______ after I told the problems to my close fri (单选题)Make sure you have prepared everything well before you _____ (单选题)If you do not go, ______. (单选题)—Which do you prefer, coffee or tea?—Coffee. I ______ coffee (单选题)Look! ______ is wrong with the watch. It still works.