It was _____ terrible earthquake and ______ number of people who were killed reached more than 20,000.
| A．a; the | B．the; a | C．the; the | D．a; a |
Beer is the most popular drink among male drinkers, _____ overall consumption issignificantly higher than that of women.
| A．whose | B．which | C．that | D．what |
I hope all the precautions against air pollution, _____ suggested by the localgovernment, will be seriously considered here.
| A．while | B．since | C．after | D．as |
You see the lightning _____ it happens, but you hear the thunder later.
| A．the instant | B．for an instant | C．on the instant | D．in an instant |
It is useful to be able to predict the extent _____ a price change willaffect supply and demand.
| A．fromwhich | B．withwhich | C．towhich | D．for which |
I have kept that portrait _____ I can see it every day, as it always reminds me of my university days in London.
| A．which | B．where | C．whether | D．when |