根据图片或上下文提示填空。
1. A:
a swing in the playground?
B: Yes, there is. Let’s go and
a
.
2. A: Are there
?
B: Yes, there are.
on the
floor.
3. A: I want to
these books to the library.
B: Let me
you.
答案：1. Is there; play on, swing
2. two computer rooms; They're, second
3. take; help
解析：
1. 根据B的回答“Yes, there is.”可知A的问句为there be句型单数一般疑问句，故填Is there；B句意为“我们去荡秋千吧”，“荡秋千”用play on a swing，故填play on, swing。
2. 图片显示2F有电脑教室，A问“有电脑教室吗”，复数提问用Are there two computer rooms；B回答“它们在二楼”，“它们在”用They're，“二楼”用second floor，故填two computer rooms; They're, second。
3. A句意为“我想把这些书带到图书馆”，“带到”用take；B句意为“让我帮你”，“帮助”用help，故填take; help。
今天是校园开放日。请参考以下句型，向你的父母介绍一下学校设施以及你最喜欢的地点。
Welcome to my school. Let me show you around.
There is
.
It’s on the
floor. I can
.
There are
.
They’re on the
floor. I can
.
I like
. I can
.
答案：a library；first；read books；many classrooms；second；have lessons；the playground；play football
解析：
根据四年级下册所学内容，介绍学校设施常用"There is/are..."句型，描述位置用"on the...floor"，活动用动词原形。结合校园常见设施如教室、图书馆、操场等，以及相应活动填写。
