________ is as much an art as it is ________ science.
| A．Cloning; a | B．Clone; / | C．To clone; the | D．Cloning; the |
The most important thing about cotton in history is ___part that it played in ____Industrial Revolution.
| A．/,/ | B．the,/ | C．the , the | D．a ,the |
When he left _____college ,he got a job as ______reporter in a newspaper office .
A. /, a B /, the C. a, the D. the,, the
____on-going division between English –speaking Canadians and French-speaking Canadians is _______major concern of the country.
| A．The, / | B．The, a | C．An, the | D．An, / |
If you buy more than ten, they will knock 20 pence off________.
| A．a price | B．price | C．the price | D．prices |
When you come here for your holiday next time, don’t go to _____hotel ; I can find you ______bed in my flat.
| A．the ,a | B．the,/ | C．a ,the | D．a,/ |