题目内容

He feels ______today than yesterday.

A. tired
B. more tired
C. more tireder
D. much tired

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Why__________Tom absent today ?

A. be
B. is
C. are
D. does

Look! The twins _____ new sweaters.

A. are wearing
B. wearing
C. are wear
D. is wearing

Don't talk here. Grandparents _____.

A. is sleeping
B. are sleeping
C. sleeping
D. sleep

[WJ-500-400]以下哪种技术不是实现防火墙的主流技术( )。

A. 包过滤技术
B. 应用级网关技术
C. 代理服务器技术
D. NAT技术

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