—— does your brother play on the computer?
—— He often plays Seer and Mole manor(摩尔庄园).
A:What games
B:How games
C:How often
D:How long
动物在自然界中的作用是( )
一瓶矿泉水放入冰箱结冰后,下列属性中不发生改变的是( )
柏拉图与亚里士多德对后世的共同影响是( )
下列计算正确的是( )