问题
选择题
Tom asked his mother to _______ the radio, for it wasn't loud enough and he couldn't hear anything. [ ]
A. turn down
B. turn up
C. turn on
D. turn to
答案
B
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Tom asked his mother to _______ the radio, for it wasn't loud enough and he couldn't hear anything. [ ]
A. turn down
B. turn up
C. turn on
D. turn to
B