—Would you mind giving your advice on how to improve our business management?
—If you make ______ most of the equipment, there will be ______ rise in production．
| A．不填；不填 | B．the；a | C．不填；a | D．the；不填 |
Life in the oceans _______ from the tiniest plankton all the way up to giants like sharks and whales.
| A．changes | B．ranges | C．remains | D．develops |
The motto for the scientific park makes _______ clear that science and business must work together to build the future.
| A．that | B．it | C．this | D．one |
This magazine is very _______ with young people, who like its content and style.
| A．familiar | B．popular | C．similar | D．particular |
The play had already been on for quite some time when we _______ at the New Theatre.
| A．have arrived | B．arrived | C．had arrived | D．arrive |
By doing this he _______ an example to the rest of the world.
| A．set | B．put | C．took | D．built |