我国34个省级行政单位,“两湖两广两河山,五江云贵福吉安;四西双宁青陕甘,重海内台上北天;港澳特别行政区,一国两制已实现”中的“湖”和“河”分别指的是哪个湖和哪条河( )
There are twenty-five children ____the class. ( )
They have taught me to work hard.