1. birthday, teeth,eleventh, anything, thank, mouth
例词three中th发音为/θ/ ,结合方框中单词th发音可知,本题答案为:birthday, teeth,eleventh, anything, thank, mouth。
2. there,father,those,clothes,together,they
例词the中th发音为 /ð/, 结合方框中单词th发音可知,本题答案为:there,father,those,clothes,together,they。