As many successful businessmen believe, courage is as ______ to pioneering work as the intelligence, even more so．
| A．accessible | B．essential | C．alternative | D．commercial |
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 |
In my opinion, he is a(n) ________ person, that is, he says what he thinks.
| A．modest | B．respectful |
| C．outspoken | D．easygoing |