Materials of this kind ____ once ____ on the wall.
| A．don’t wash, painted | B．don’t wash, painting |
| C．aren’t washed, painted | D．aren’t washed, painting |
.
---Will you give up the plan?
---No. No matter what result is, I’ll still ______ to do it.
| A．manage | B．try | C．allow | D．encourage |
.
We will learn how to operate the machine _______.
| A．at a time | B．at one time | C．at the time | D．in time |
.
We need to strike a ______ between the needs of the country and the rights of the individual(个人).
| A．silence | B．difference | C．balance | D．weakness |
.
The thought ______ he would open a Sichuan restaurant in Los Angeles surprised his wife.
| A．that | B．what | C．whether | D．when |
.
Lewis searched for his ID card for a whole day last Sunday, but it ____ in his pocket the next day.
| A．turned up | B．turned over | C．turned on | D．turn out |