______ in the novel, I didn’t notice what was happening.
| A．Buried | B．having buried |
| C．Burying | D．To be buried |
Teachers have to constantly update their knowledge in order to maintain their professional _____.
| A．consequence | B．independence | C．competence | D．intelligence |
“I don’t think it’s my _______ that the TV blew up. I just turned it on. That’s all.” said the boy.
| A．error | B．mistake | C．fault | D．duty |
—Look! Somebody _____ the sofa.
—Well, it wasn’t me. I didn’t do it.
| A．is cleaning | B．was cleaning |
| C．has cleaned | D．had cleaned |
The success of a government should be measured ____ the health and happiness of the people as well as the development of the economy.
| A．in face of | B．in place of | C．in terms of | D．in line with |
According to scientists, our mental abilities begin to____ from the age of 27 after reaching the highest level at 22.
| A．differ | B．shrink | C．fail | D．decline |