—Must I finish my homework now?—No, you _______.
My pet dog sometimes makes lots of noise and ______ me when I do my homework.
---It’s generous of you to donate so much money to the poor.---__________.
---Do you know __________? ---I’m not sure. Maybe he is a teacher.
---Many students don’t know how to__________stress and become worried.---I think they can ask their teachers for help.
__________ pleasant experience it is! I think I won’t forget the tour to Xi’an for ever.