28．The largest collection ever found in England was one of about 200,000 silver coins, _____ over 600 years old．
| A．all of which | B．all of it | C．all of that | D．all of them |
Perhaps you ________ stop playing computer games now. Your boss may be turning up in the office at any moment.
| A．will | B．must | C．should | D．can |
It is believed that many more popular terms ________ on the Internet this year.
| A．will be created | B．have created |
| C．are created | D．are creating |
Though winters in Britain are cold and there is usually snow, there are ________ places for skiing.
| A．some | B．many | C．few | D．a few |
The first snow didn’t fall until February in our province this year, ________ was unexpected.
| A．it | B．which | C．that | D．what |
--Can’t you stay a little longer? I really want to talk more with you.
--Me, too. ________ I have to get home before 10 at night.
| A．But | B．Since | C．And | D．For |