Burns are called first，second or third degree burns， which layers of the skin are burned.
| A．depending on | B．depended on | C．depend on | D．to depend on |
_________ is our belief that improvements in health care will lead to a stronger, more prosperous economy.
| A．As | B．That | C．This | D．It |
"Once people think you are a liar, it's hard __________, no matter what you'll say, " father warned his son.
| A．for you to make yourself believe |
| B．for you to make yourself believed |
| C．of you to make yourself believing |
| D．of you to make yourself believe |
Obviously, __________ no one wants to be alone all the time, everyone needs some degree of privacy.
| A．if | B．but |
| C．although | D．because |
—They are quiet, aren't they?
—Yes. They are accustomed __________ at meals.
| A．talk | B．to not talk |
| C．to talking | D．to not talking |
Michael's new house is like a huge palace, __________ with his old one.
| A．comparing | B．compares |
| C．to compare | D．compared |