The ________ powers a phone on and off.
举一反三
- A tariff on a product makes: () A: domestic<br/>sellers better off and domestic buyers worse off. B: domestic<br/>sellers worse off and domestic buyers worse off. C: domestic<br/>sellers better off and domestic buyers better off. D: domestic<br/>sellers worse off and domestic buyers better off.
- I turned my phone off. A: 正确 B: 错误
- 中国大学MOOC: I turned my phone off.
- Take off your shoes. Take off.
- Her powers of persuasion were______no avail. A: to B: in C: off D: on