问题补充：
I love this song by Lady Gaga. Would you the TV a bit, please? I can’t hear it clearly.
A. turn on
B. turn off
C. turn up
D. turn down
答案：
A. turn on
B. turn off
(答案→)C. turn up
D. turn down
解析：本题难度适中，考查词组意思，由I can’t hear it clearly，可知应该是填调高声音的意思，turn on打开，发动，turn off关掉，turn up调高，turn down关小，调低，答案选C。
