Spring Festival is coming. I’ll my room. I don’t want to live in a dirty place.A. cheer up

问题补充：

Spring Festival is coming. I’ll my room. I don’t want to live in a dirty place.

A. cheer up

B. clean up

C. set up

D. turn on

答案：

A. cheer up

(答案→)B. clean up

C. set up

D. turn on

解析：clean up打扫，其他短语不符句意。