Since most Antarctic rocks are dark in color, they stood out _____ the white background and are easy to identify and collect.
| A．against | B．on | C．beyond | D．above |
—Your parents wanted you to go home immediately.
—Sorry,but .
| A．it all depends | B．it all depends on |
| C．that depends on | D．that is depended |
heart disease for many years,he had to take medicine everywhere.
| A．Having suffered from | B．Have suffered from |
| C．To suffer from | D．Suffering |
Bill was the telephone.
| A．considered inventing |
| B．considered to have discovered |
| C．considering having invented |
| D．considered to have invented |
If only I to my parents advice.
| A．listening | B．listen |
| C．am listening | D．had listened |
Let’s go to the library for more books.I don’t think these all the problems of the subject.
| A．tell | B．show | C．find | D．cover |