The father seldom had time to share with his children, because he devoted most of his time _______ research in his lab.
| A．to do | B．to doing |
| C．doing | D．done |
— My colleague felt quite happy because his solution was closer now to ______．
— Congratulations!
| A．having adopted | B．be adopted | C．being adopted | D．be adopted |
Our company is seeking for a manager, especially ______ with creativity and imagination.
| A．the one | B．each | C．one | D．that |
She was depressed and felt totally __________ about the future.
| A．hopeful | B．hopeless | C．anxious | D．unfortunate |
Don’t eat too much chocolate, or you can ______ weight quickly.
| A．put into | B．put out | C．put up | D．put on |
—Can you hit that bird with your gun, Tom?
—No！It is out of the ________of my gun.
| A．length | B．aim | C．distance | D．range |