2026年优翼学练优三年级英语上册人教版第72页答案
(
A
)1.
, I'm Chen Jie. A. Hello B. hello

答案

1.A
用 a 或 an 填空。(可重复选择)
1. I have
a
hat. It's white.
2. This is
an
apple.
3. Look! This is
an
elephant. That is
a
black ant.

答案

1.a 2.an 3.an;a
看图,选择正确的选项,补全对话。
(
A
)1. —What's
(A. this B. that)? —It's a bag.
(
B
)2. —What's
(A. this B. that)? —It's an orange.

Unit 4
易错梳理
易错点 可数名词与不可数名词:可数名词可以直接用数字计数,数量超过“1”时,用复数;不可数名词没有复数形式。

答案

1.A 2.B