问题
David, turn off the TV _____ no one is watching it.—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
正确答案是：
同类题型
_____you think _____ the movie？[ ]
Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America.
My cousin likes dressing up _____ a monkey.[ ]
I hear you’ve got some new Australian coins._______ I have a look?
Tom and Jack? I didn’t believe they could do the work．—, but they really did it well．