从方框内选择适当的句子补全⑴-⑷题，使短文意思通顺，结构完整，并完成第⑸小题。

A. Keep yourself busy. B. Tell someone your feelings. C. Stay in touch. D. Bring something familiar with you.

    When you stay away from your home for a long time, you start to miss your good old bed, your good old parents… Believe it or not, you're feeling homesick. You can help yourself to feel less homesick. Here's how: