看图写句子。 例:A: What are you doing? B: I'm reading a book. 1. A: What are you ______ ? B: I'm_____________. 2. A:What _____________? B: I'm _______________. 3. A:_____________________? B:____________________.
【单选题】St. Paul's opened a brand-new ______ to our existing campus in September 2017. The exciting new space featured a large multipurpose room for all students.