All I got was a busy ()when I dialed his number.
All I got was a busy ()when I dialed his number.
A、sign
B、noise
C、signal
D、voice
正确答案:C
解析:词汇与结构部分\辅导书\书A\词法A
All I got was a busy ()when I dialed his number.
A、sign
B、noise
C、signal
D、voice
正确答案:C
解析:词汇与结构部分\辅导书\书A\词法A
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