________ behavior allows you to lose weight, make it a part of your life so the weight stays off.
| A．However | B．Whatever | C．Which | D．While |
-- What did he say ________ his stupid behavior?
-- He admitted having made a serious mistake.
| A．in front of | B．in explanation of | C．in case of | D．in fear of |
People attracted onto Facebook with the promise of fun, free service don’t realize they’re paying for it by________ their personal information.
| A．giving in | B．giving off | C．giving up | D．giving away |
Many times, the weather forecast has been incorrect and we have missed out what has ________ to be a fine day for outdoor activities.
| A．left out | B．broke out | C．set out | D．turned out |
In face of trouble, although I feel disappointed about where I am, I still think _______ about where I am going.
| A．optimistically | B．controversially | C．conventionally | D．alternatively |
Interest is as______ to learning as the ability to understand, even more so.
| A．typical | B．specific | C．vital | D．available |