下面哪种物体是液体( )
A：木头
B：水
C：石块
D：空气
________ a foreign language is great fun for me.
看图，读一读，选择正确的句子。
A. Hello. This is my mother. I loveher.
B. Hello. I'm Grandma and this is yourGrandpa.
C. Look, this is my classmate. His nameis Bob.
D. Good morning, Kitty.
