我会唱歌。
A：I can dance.
B：I can sing.
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．
糕点疏松的主要成分中含有碳酸氢钠，某化学兴趣小组对碳酸氢钠的化学性质进行探究．
