—Because I'm hungry.

—I went there by bus.

⒈A: Why are you playing football?

B: Because it's sunny.

⒉A: Why are you eating an ice cream?

B: Because it's very hot.

⒊A: Why are you wearing a coat?

B: Because it's very cold.

⒋A: Why do you buy a cake?

B: Because it's my birthday today.

⒌A: Why are you staying at home?

B: Because it's raining.

⑴  

⑵  

⑶  

⑷  

⑸  

A.       B.       C.        D.        E.