地球上现存的动物有两大类,一类是身体里没有____ 的动物,叫做____动物,如蚯蚓;一类是身体里有____ 的动物,叫做____ 动物,如鱼.
A:Good morning.
B:____
A:I am Li Fei.____
B:My name is Wang Qiang.
A:____
B:Yes,I am.
A:I am twelve.____
B:I am twelve too.
B:OK! Let's go.
A.Good idea!
B.How are you?
C.Good morning.
D.What about you?
E.What's your name?
F.Are you from Beijing?
G.Let's go and play football.
如图所示四个图形中,能用∠α、∠AOB、∠O三种方法表示同一个角的图形是( )