We had a chat under the tree yesterday afternoon.
① I am ___3_______________ to my friend now .
我正在给我的朋友写信.
② How many _______2___________ does a panda have
熊猫有几只脚?
③ Listen !The girl is __________1_________________ in the next room .
听,有个女孩正在隔壁唱英文歌.