Tony was very unhappy for _______ to the party.
| A．having not been invited | B．not having invited |
| C．having not invited | D．not having been invited |
Don’t try to cheat the taxman(税务人员); you’ll never ______it.
| A．get out of | B．get into |
| C．get along | D．get away with |
—Would you like some more chicken?
—No，thanks. I am ________a diet and I’m trying to ________weight.
| A．on；lose | B．on；put on |
| C．in；have | D．in；lose |
He sat at the desk, __________ a novel.
| A．read | B．to read | C．reading | D．Reads |
Great changes _______ in China in the past 20 years.
| A．took place | B．have taken place |
| C．were taken place | D．have been taken place |
The world today _____ different without the amazing discoveries produced by great scientists.
| A．were | B．had been | C．would be | D．would have been |