ruoshui

1. 每次一想起那件事，我就会忍不住笑起来。
i can't help laughting when i remember the thing.
2. 我没法不注意到您的戒指，太漂亮了！
i can't help noting your ring for it is so builtful!
3. 我无法忘记她有多漂亮。
i can't help forgeting her builtful.

答案：
i can't help laughing every time i think of that.
i could't help noticing your ring.it is beautiful.
i can't help remembering how beautiful she looksed.