All the characteristics that distinguish birds ________ other animals can be traced to prehistoric times..
| A．to | B．between | C．for | D．from |
In the last few years thousands of films ____ all over the world.
| A．have produced | B．have been produced |
| C．are producing | D．are being produced |
Last month, the Japanese government expressed their thanks for the aid they ___ from China.
| A．receive | B．are receiving | C．have received | D．had received |
The government has taken measures to ____ the high prices of daily goods to keep the market stable.
| A．take down | B．bring down | C．hand down | D．tear down |
-- I bought the dress at _____ normal price.
-- Well, it’s _____ bargain.
| A．the half; a | B．half the ; a | C．a half ;the | D．half; 不填 |
_____, your composition is full of mistakes.
| A．Writing carelessly | B．Written carelessly |
| C．Having written carelessly | D．Being written carelessly |