The bus hit against a tree in the fog and ______to the deep valley，with ten passengers killed and twenty wounded.
| A．down did it roll | B．down rolled it |
| C．it down rolled | D．down it rolled |
The two villages have a close ________ and often help each other.
| A．bond | B．shade |
| C．behaviour | D．bond |
The lorries were lined up, ready to move________.
| A．off | B．up |
| C．over | D．out |
Don't spoil the child. Can't you make your little son _______ himself?
| A．behave | B．believe |
| C．perform | D．conduct |
Earth Day is a reminder that we need to care about the world we live in and that we should learn to ____________ life and nature.
| A．respect | B．look on |
| C．care for | D．admire |
We are told to read the passage and find the sentences that ________ the argument.
| A．promote | B．show |
| C．design | D．support |