适合小学生对英语练习和学习及老师教学使用。

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3.她大笑，因为她很高兴。

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4.这个女孩坐在月亮上，因为她想摘星星。

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答案：

1.I am wearing a baseball cap because I’m going to play bas eball.

2.He is eating the big cake because he is hungry.

3.She is laughing because she is happy.

4.The girl is sitting on the moon because she wants to pick the stars.

四、单选题

1.--______are you wearing a hat?

Because it is going to be hot.

A.Why

B. what

C. When

2.Why did he eat?

Because he was_____.

A. thirsty

B. full

C. hungry

3.Why is she sleeping?

Because she is______.

A. laughing

B. tired

C. happy.

4.It’s going to______.

A. rain

B. hot

C. raining

答案：ACBA

解析：

1.回答是because，因为，所以是询问：why为什么。

2. 问题是：他为什么会吃？回答：因为他很饿了。hungry饿的。

3. 问题：她为什么睡觉？回答：因为她累了。tired 累的。

4. Be going to 后面接动词原形，答案里只有rain是动词原形。下雨。

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