Dear Mom,　　    You are always so   (17)   after a day’s work. I am worried（擔心）about that, so I   (18)   you to know something: Health is the most important thing in the world. On top of that, I really miss the old days. We        (19)   play badminton in the park near our home. But now you have to take care of your   (20)   because they like you and visit your shop almost every day. I don’t mean to complain（抱怨）. I just want you to understand. I care about you so much, and I can do all the small    (21)   at home. So, please let me help and take great care of you.                                                                                                                                                          Vincent
【題組】17.
(A) tired　
(B) tiring　
(C) comfortable 　
(D) difficult