______a certain doubt among the people as to the practical value of the project.
| A．It has | B．They are | C．It remains | D．There remains |
Though Queen Elizabeth is in her late seventies, she is still _____ in thinking.
| A．quick | B．fast | C．rapid | D．soon |
It will do you good to _____ a holiday.
| A．spend | B．make | C．take | D．do |
If you can speak very ______ English, you will have more chances to find a job than others.
| A．correct | B．pure | C．proper | D．exact |
I've promised to help you and I'll _____ my word.
| A．hold | B．keep | C．follow | D．take |
It is not the _____ way for America to deal with some problems of Iraq (伊拉克) only by force.
| A．important | B．difficult | C．proper | D．exact |