✨ ベストアンサー ✨
(1) She didn't know what to say.
(2) I have been trying not to use the bicycle since then. ※try to ~ ~するように努める/try not to ~ ~しないように努める
(3) I ran to school in order not to be late. ※in order to ~ ~するために/in order not to ~ ~しないように(するために)
(4) It is impossible to learn to speak English in a few months.
(5) I don't want to say anything to hurt your feelings.
参考にしてください。
ありがとうございます!!