修改文件“/test.txt”的用户属组为group1，则命令是（ ）。
A. chown group1 /test.txt
B. chown /test.txt group1
C. chgrp group1/test.txt
D. chgrp/test.txtgroup1
查看答案
I opened the letter and there was _____ inside.
A. important informations
B. some important information
C. many important informations
D. an important information
Washington succeeded in setting up a ____ of their own.
A. people
B. nation
C. country
D. state
All the students were greatly encouraged by that inspiring speech of ____.
A. a soldier's
B. the soldiers'
C. the soldier's
D. the soldier
Have you ever read any books ____?
A. of Luxun's
B. of Luxun
C. of Luxuns'
D. of the Luxun
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