使用键盘打开菜单时，要同时按下（）和菜单名右边的英文字母。
A.Ctrl
B.Alt
C.Shift
D.Tab
参考答案：B
Tina isn’t so quiet as she . She is much more outgoing now.
A．did
B．used to
C．was used to
D．used to be
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