书面表达。
假设你叫Grace，你的朋友Helen得了重感冒，听到这个消息后，请你给他发一封电子函件予以问候并给他提一些建议。
要求：不少于60词。
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One possible version:
Dear Helen,
I am sorry to hear that you have a bad cold. Are you feeling better now? At first, you should see a
doctor. You must have a good rest. You should be in bed and drink more water. You should take the
medicine on time. I hope you will be better soon.
Yours,
Grace