turn it down，没有turn down it
Turn it down !'I envied the dancers ."
Lady Bird Johnson also told her husband to turn it down.
He is offered a job, but Bilo turns it down.
And his father came in and asked him to turn it down.
I would have been a fool to turn it down.
Evelyn and Joe MacDonald voted to turn it down again in 1956.
I'm not saying I would turn it down.
"Don't turn it down,"
I guess everybody will turn it down and run with fewer rpms,
Turn it down .'But he felt he couldn't.
turnitdown还是turndownit 扩展
不可以用turn down it, 只能用turn it down.Turn down后面可以加名词，比如turn down the music, turn down the TV等等。或者在中间加名词，比如 turn the music down, turn the TV down. 。但是，如果用it 这种代词, 只能放在后面，不可以放在中间。所以选B。
