题目内容

My brother_______this bike for almost four years.

A. has had
B. has bought
C. bought

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It_ ten years since I last _ to New York.

A. has gone; went
B. has been;went
C. Is;had gone

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My father_______on business for two weeks. He'll return in 3 days.

A. hasleft
B. has been away
C. has gone

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sudo根据文件()判断谁是授权的用户

A. /etc/sudo
B. /etc/sudoers
C. /etc/login.defs
D. /etc/.login

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找出root所属的带s位的程序()

A. find / -type f \( -perm -04000 -o -perm -02000 \)
B. find / -type f \( -perm -06000 -o -perm -02000 \)
C. find / -type f \( -perm -01000 -o -perm -02001 \)
D. find / -type f \( -perm -04000 -o -perm -01002 \)

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My brother_______this bike for almost four years.

A. has had B. has bought C. bought

It_______ ten years since I last _______ to New York.

My father_______on business for two weeks. He'll return in 3 days.

sudo根据文件()判断谁是授权的用户

找出root所属的带s位的程序()

A. has had
B. has bought
C. bought

It_ ten years since I last _ to New York.