次は, ある中学生が英語の授業で行ったスピーチの一部です。本文中の①～④にそれぞれ当てはまるものを, 選択肢の中から1つずつ選んで, 英語1語に直し, 省略しない形で書きなさい。
　I want to study in a (①) country some day. I told that to my father and mother on my birthday in (②). At first, they looked surprised to hear that. But thay said, ''If you really want to do so, we'll support you.'' I was so happy because they (③). I'll never (④) their words.
選択肢：賛成した, 忘れる, 2月, 外国の
①の答え

②の答え

③の答え

④の答え