— Excuse me, can you tell me __________?
— Sorry. I am new here, too.
A：where is the Baise Expo
B：where was the Baise Expo
C：where the Baise Expo is
D：where the Baise Expo was
肾动脉中的血液流经肾脏再由肾静脉流出时，血液中的（ ）
-- Mum, I have nothing to do in my free time but do homework.
-- My dear, you should ___ a hobby like drawing or taking photos.
