There is ______ in our office that when it is somebody’s birthday, they bring in a cake for us all to share.

 My teacher’s words had a great _____ my studying science at college.

The Sina Microblog provides a good ________ for those who want to express their opinions and exchange their ideas with others.

The ______on his face told me that he was angry.

 A huge copy of “Zhang Zeduan’s Qingming Festival at the Riverside” in the Shanghai Expo brings a grand _________of national treasures and cultures to the Expo table.