在Windows中,“复制”操作的组合键是Ctrl+V。
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在Windows中,文件夹可命名为6&a。
A. 对
B. 错
It is necessary that a graduate studenta grade point average of“B” in his major field.
A. shall maintain
B. maintain
C. will maintain
D. maintains
Priorhis departure, he addressed a letter to his daughter.
A. to
B. of
C. in
D. from
If you want to learn English well, you should speakmore both in class and out of class, ____ .
A. in my opinions
B. in my opinion
C. to my opinion
D. by my opinion
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