【B】Walker Junior High School has a party for collecting books forpoor children at their school. Students and their families arewelcome to the party. Here is the poster for the party.
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Let’s Have a Party to Help Poor Children at Our School!
Time: Saturday, June 10th, from 9:00 to 14:00
Place: Walker Junior High School (Fun games and great drinks)Dos and Don’ts：
 - DO come with your books, old or new.
 - DO have fun with your pets. We welcome them here!
 - DON’T give us money. We collect BOOKS.
 - DON’T sell your books to other people at the party.
* collect 收集 poor 貧窮的 children 孩子們poster 海報 money 金錢 sell 賣

【題組】4. What is this party for?
(A) The school helps poor children.
(B) The school thanks the students’ parents.
(C) The school wants more money.
(D) The school welcomes students’ pets.