Which of the following is a digraph?
(A) the letters 'fr' in free.
(B) the letters 'ng' in sing.
(C) the letters 'st' in street.
(D) the letters 'nd' in bend.
【Ku Yun-chiao】評論
像是th.ch.sh皆為兩個字母組成，但兩字母合發一個音題目ng也屬合體字母，音發"印"
【Garace Lin】評論
什麼是合體字母可以再說詳細一點嗎
【王莉芬】評論
digraphKK [ˋdaɪgræf] DJ [ˋdaigræf]