—Let’s go for a picnic next Sunday. —Sorry, I can’t. I have to look ____________my pet parrot.
A: When did the Shanghai Expo open? B: ___________ May 1st, 2010.
Do you go to school ______ bike or _____ foot?
Liu Xiang was born Shanghai July 13, 1983.
The story happened ________ the 19th century
Amy goes to school ________.