用turn off/to/up, in turn的适当形式填空。
(1)I'm studying, would you please__________ the TV?
(2) When in trouble, you can__________ me for help.
(3)He promised to come, but hasn't__________.
(4)We were asked__________to see the manager.
知识点：英语
(1)turn off (2)turn to (3)turned up (4)in turn