单选题：A. surprised B. annoyed C. disappointed D. worried

题目分类：英语
题目类型：单选题
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题目内容：

A. surprised
B. annoyed
C. disappointed
D. worried

参考答案：

答案解析：

A. friendless B. worthless C. penniless D. homeless

A. friendless B. worthless C. penniless D. homeless

分类：英语题型：单选题

设一棵二叉树的中序遍历结果为DBEACF，前序遍历结果为ABDECF，则后序遍历结果为________。

设一棵二叉树的中序遍历结果为DBEACF，前序遍历结果为ABDECF，则后序遍历结果为________。

分类：英语题型：单选题

Which of the following helps to develop traditional customs?

Which of the following helps to develop traditional customs?A.The special role o

分类：英语题型：单选题

Inthegoodcareofthenurses,theboyis____________recovreingfromh

Inthegoodcareofthenurses,theboyis____________recovreingfromhisheartoperation. A、

分类：英语题型：单选题

We are at your service. Don’t to turn to us if you have any

We are at your service. Don’t to turn to us if you have any further problems.A．b

分类：英语题型：单选题