赞题库-背景图
单项选择题

A．They are used to express feelings only
B．They can not be written down.
C．They are simply sounds.
D．They are mysterious.
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热门试题

单项选择题A．He hasn’t cleaned his room since Linda visited him.B．Linda is the only person who ever comes to see him.C．He’s been too busy to clean his room.D．Cleaning is the last thing he wants to do.

A．He hasn’t cleaned his room since Linda visited him.
B．Linda is the only person who ever comes to see him.
C．He’s been too busy to clean his room.
D．Cleaning is the last thing he wants to do.

单项选择题A．The could agree upon certain signs.B．They could write them down.C．They could communicate with each other.D．They could combine them.

A．The could agree upon certain signs.
B．They could write them down.
C．They could communicate with each other.
D．They could combine them.