—Can I help you，sir?
—Yes，I bought this radio here yesterday，but it______________.
| A．didn't work |
| B．won't work |
| C．can't work |
| D．doesn't work |
The Ching Ming Festival or Grave-Sweeping Day, ____ falls on April 4 this year, is an important date in the Chinese calendar
A. which B that C. what D. where
The river,______the bank are covered with trees, is very long.
| A．whose | B．which |
| C．of which | D．which of |
Is it the years _______ you worked in Africa as a doctor _______ have a great effect on your literary works?
| A．that; where | B．that; that |
| C．when; where | D．when; that |
Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.
| A．where | B．when | C．that | D．what |
Today the public is much concerned about the way _______ .
| A．nature is being ruined | B．which nature is ruined |
| C．on which to ruin nature | D．of nature to be ruined |