问题补充:
---Your bedroom is so dirty. Would you please , Peter?
---OK, mum. I’ll do it right away.
A. set it up
B. put it on
C. pick it up
D. clean it up
答案:
A. set it up
B. put it on
C. pick it up
(答案→)D. clean it up
解析:set up建立,开业;put on穿上,上演;pick up捡起,收拾;clean up清除,打扫。句意:你的卧室太脏了。你能把它打扫一下吗?彼得。——好吧,妈妈,我立刻就做。结合语境可知选D。