— Why is the chemical plant closed?
— Because large quantities of waste water ______ into the Yangtze River.
| A．has been released | B．is being released |
| C．was released | D．have been released |
Nowadays sending e-mails to each other is a way many a student _______ what they think.
| A．conveys | B．delivers | C．express | D．account |
He proved himself a true gentleman and the beauty of his _______ was seen at its best when
he worked with others.
| A．temper | B．appearance | C．talent | D．character |
In the of proof , the police could not take action against the man .
| A．lack | B．shortage | C．absence | D．failure |
—— Who on earth could it be? —— It was ________ other than Peter.
| A．none | B．nothing | C．not | D．nobody |
I’ll____ him off this time but next time he’ll be punished.
| A．leave | B．let | C．put | D．set |