As citizens of our country, it is our duty and responsibility to _______ the legal rights of our own in the election.
| A．stand up for | B．stand out | C．stand by | D．stand up |
It is quite common for a working man to make ______ for his old age by putting aside enough money to live on.
| A．adjustment | B．supply | C．assurance | D．provision |
Classification is a useful ______ to the organization of knowledge in any field.
| A．means | B．approach | C．mode | D．manner |
He was ______ determined than you, but he turned out to be the first to back out.
| A．no more | B．not more | C．no less | D．not less |
This article was written ______ for China Daily.
| A．extensively | B．exceedingly | C．excessively | D．exclusively |
You should have put the milk into the icebox, I expect it ______ undrinkable.
| A．became | B．had become | C．has become | D．becomes |