“On no account _____ to feed the animals,” the warning can be seen on the signboard on front of every cage (笼子).
| A．allow visitors | B．are visitors allowed |
| C．visitors are allowed | D．are allowed visitors |
It was raining outside, ,I couldn’t find a taxi.
| A．to make things better | B．to make things worse |
| C．still worse | D．still better |
—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 |