看图认词语,把音节补充完整。
a á ǎ à ī í ǐ ì ū ú ǔ ù
m____m____
b____ b____
p____b____
妈 妈
爸爸
瀑 布
t____d____
d____m ____
土地
木马
大 米
Dear Alan,
I'm looking forward to staying in the countryside with you for one week this summer vacation.
Yours truly
Li Hua
—He learned it by _______.