--- Is Bob still working in your school?
--- I’m afraid not. He is said and in a private school recently.
| A．to resign; to teach | B．to have resigned; to teach |
| C．to resign; to be teaching | D．to have resigned; to be teaching |
The driver tried everything he could think of, but the car just ______ not move.
| A．should | B．might | C．must | D．would |
Knowledge and learning are important if we want to be successful, but they may also ______ our thinking.
| A．direct | B．limit | C．change | D．improve |
— Would you mind giving your advice on how to improve our business management?
— If you make ______ most of the modern equipment, there will be ______ rise in production.
| A．/; / | B．the; a | C．/; a | D．the; / |
After she won the dance competition, she found herself _____ of a celebrity in her community.
| A．nothing | B．everything | C．something | D．anything |
The chief manager has decided to put _____ he thinks is energetic, clever and capable to the position of the leadership of the company.
| A．whatever | B．whoever | C．whichever | D．whomever |