You’d better make a good plan________you take a holiday．
| A．before |
| B．during |
| C．until |
| D．after |
Sherlock Holmes asked the suspect what he ___ when the murder took place.
| A．was doing | B．has done | C．is doing | D．would do |
Helen encouraged me to speak English as much as possible because practice ___ perfect.
| A．becomes | B．became | C．will make | D．makes |
With the development of modern industry, there will be ___ living space for wild animals.
| A．fewer and fewer | B．less and less |
| C．more and more | D．bigger and bigger |
Audrey Hepburn, one of the greatest actresses, was ___ to take on challenges in her life.
| A．enough brave | B．brave enough |
| C．stupid enough | D．enough stupid |
--Wow, so many new buildings! But it used to be a poor village.
--Yes, ___ has changed in our hometown.
| A．Nothing | B．Nobody | C．Everything | D．Everybody |