Ⅰlook、read and learn
th / ϑ /—在名词、形容词、数词、动词中 math three thin think
/ ð /—在代词、冠词、副词中 this these the there
Ph — / f / photo phone elephant
Ⅱ. Listen and write
Ⅲ look and match(看单词连线)
Mouth / ϑ / ninth
whether / ð / third
Ⅳwrite (写出下列单词的发音)
Bath lymph than
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