Had to
初中 Junior Highv. 必須\\n
?? 詞語組成解析
had
[[h?d]]
have的過去式和過去分詞
to
[tu,t?]
prep. 向，朝著;到;關于;屬于;
adv. 朝一個方向的;到某種狀態(tài);關閉;
??? 情景例句
May I use the phone?
我可以用電話嗎
Some students quit school due to poverty.
一些學生因貧困而輟學。
You need to practise a lot with the actors before.
上演前你得同演員一道進行大量的排練。