A:How happy
B:How lucky
C:What a pity
D:What nice news
“日出江花红胜火,春来江水绿如蓝.”江水泛绿是由于下列哪类植物大量繁殖引起的( )
Mr. Black has a daughter. Tod ay is her ____ (twelve) birthday.
食堂买了5筐西红柿,每筐24千克,每千克2元,这些西红柿一共多少元?