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-Isitdifficultforyoutoclimbupthewalltogetbackmykite?-No.It'sapieceof.A.breadB.paperC.newsD.cake选D,为什么?

题目详情
-Is it difficult for you to climb up the wall to get back my kite?
-No.It's a piece of .
A.bread
B.paper
C.news
D.cake
选D,为什么?
▼优质解答
答案和解析
"A piece of cake"是“轻而易举的事,小意思”的
意思,这是固定用法