When we ___ electricity, we get heat from an electric heater.
| A．switch on |
| B．put off |
| C．turn off |
| D．carry on |
The lost car of the Lees was found _____ in the woods off the highway.
| A．vanished | B．abandoned | C．scattered | D．rejected |
1. In this factory, suggestions often have to wait for months before they are fully _____.
| A．admitted | B．acknowledged | C．absorbed | D．considered |
What is most obvious in this book are all those details of daily living which make Mrs. Richard _____ common.
| A．nothing but | B．anything but | C．above all | D．rather than |
Noone has _____ been able to trace the author of the poem.
| A．still | B．yet | C．already | D．just |
It was a great _____ for him to be pleasant to people he didn't like.
| A．attempt | B．trouble | C．power | D．effort |