_____________ hard you try，it is difficult to lose weight without cutting down the amount you eat.
| A．Whichever | B．Whatever | C．However | D．Whoever |
____is known to all, good friends _________ happiness and value to life.
| A．It; add |
| B．As; add |
| C．It; add up |
| D．As; add to |
Although he talked half an hour, he couldn't give us a good ________ of the reason why he did it.
| A．idea |
| B．explanation |
| C．sense |
| D．understanding |
The horrible noise from the man's room simply _____ me mad.
| A．put |
| B．caused |
| C．drove |
| D．turned |
Professor White has written some short stories, but he is ______known for his plays.(NMET 1998)
| A．the best |
| B．more |
| C．better |
| D．the most |
You are _____ careful than your brother. You two can’t do the work that needs care and skill.
| A．not more |
| B．no more |
| C．not less |
| D．no less |