is it difficult for you to climb up the to get back my kite?

问题描述:

is it difficult for you to climb up the to get back my kite?
-Is it difficult for you to climb up the to get back my kite?
-NO,It's a piece of ____.
A.bread
B.paper
C.news
D.cake
请说明理由

D
a piece of cake 小事一桩