_____ you are in a speech contest or you are giving a talk in class, a little preparation will make your presentation organized and dynamic.
| A．Either | B．On condition that | C．No matter | D．Whether |
The apartment we’ve recently rented ______ six rooms in all, the largest of which serves as the sitting room.
| A．consists of | B．is consisted of |
| C．made up of | D．consisting of |
Lily doesn’t work in the same school as me, but we ______ at the same college for four years.
| A．study | B．studied |
| C．have studied | D．had studied |
The death of his devoted son was a painful experience, ______ he had never fully recovered.
| A．from which | B．from whom |
| C．with which | D．with whom |
Only after David was asked to pay more attention ______ repeating the same mistake.
| A．he avoided | B．did he avoid |
| C．had he avoided | D．he had avoided |
Having never met such a ______ situation, Mr. Green felt ______ and didn’t know what to do.
| A．confusing; confused | B．confused; confusing |
| C．confusing; confusing | D．confused; confused |