_______ medical issues, we also have to face moral and legal issues when cloning human beings.
| A．Regardless of |
| B．As a result of |
| C．In addition to |
| D．Except for |
I was ashamed________wasting many hours when I should have been studying.
| A．about |
| B．of |
| C．in |
| D．on |
The two brothers are barely________with each other.
| A．on good terms |
| B．in terms of |
| C．in their terms |
| D．in real terms |
Though they don't live in the same city now，he manages to be informed________how Tony is getting along.
| A．at one time |
| B．for a time |
| C．at no time |
| D．from time to time |
Houses________the government in this town are all being used to accommodate disaster victims.
| A．being belonged to |
| B．belonged to |
| C．belong to |
| D．belonging to |
When________with a problem，you'd better try to solve it by discussing it with your parents.
| A．confront |
| B．being confronted |
| C．confronted |
| D．confronting |