— You’d better keep quiet in class.
— Sometimes I______ . Yesterday, I was as quiet as a mouse during my English class.
| A．would | B．do | C．did | D．was |
When we got there, he was about to leave, so he only had time to explain _____ to us what he thought of our plan.
| A．carefully | B．roughly | C．impatiently | D．repeatedly |
Thoughexperience, she eventually got the chance to work for the Haier Company.
| A．lacking of | B．lacked for | C．lacked | D．lacking |
The witness _____ the middle-aged man _____ lying to the judge.
| A．accused; for | B．charged; of | C．charged; for | D．accused; of |
His letter was so confusing that I could hardly make any ______ of it.
| A．explanation | B．sense | C．meaning | D．guess |
As we all know, the functions of our skin are very .
| A．complex | B．simple | C．brief | D．tight |