With so much noise of the traffic, I couldn`t __________and do my research work.
| A．put down | B．settle down | C．break down | D．take down |
How beautifully she sings! I have never heard _____ voice.
| A．a better | B．a best | C．the better | D．the best |
Wouldn’t it be______for you to pick me up at four o’clock and take me to the airport.
| A．free | B．vacant | C．handy | D．convenient |
10,000 dollars is a large sum of money，but it is still ______than we need for a new house
| A．very few | B．very little | C．far fewer | D．far less |
Food safety is ________ important, so the government spares no efforts to prevent food pollution.
| A．strongly | B．reasonably | C．highly | D．naturally |
The increase of the number of the students makes the limited computers not ______ to each student．
| A．available | B．affordable | C．helpful | D．acceptable |