题目内容
—David, turn off the TV _____ no one is watching it.
—But it _____ off already! The music is from the radio.
—But it _____ off already! The music is from the radio.
[ ]
A. so that; has been turned
B. when; has turned
C. if; has been turned
D. because; has turned
B. when; has turned
C. if; has been turned
D. because; has turned
C
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