Students should get a good habit of studying, you can’t do any other things while you’re doing homework. So please ___________ your MP4.
A.turn on | B.turn up | C.turn off | D.turn down |
Students should get a good habit of studying, you can’t do any other things while you’re doing homework. So please ___________ your MP4.
A.turn on | B.turn up | C.turn off | D.turn down |