The zoo keepers is worried because the number of visitors __ smaller
and smaller.
| A．become | B．became | C．is becoming | D．have become |
_________ is known to us all is that the 2008 Olympic Games will take place in Beijing.
| A．It | B．What |
| C．As | D．Which |
The companies are working together to create _________ they hope will be the best means of transport in the 21st century.
| A．which | B．that |
| C．what | D．who |
Could I speak to __________ is in charge of International Sales, please?
| A．anyone | B．someone |
| C．whoever | D．no matter who |
Why not try your lick downtown, Bob? That’s __________ the best jobs are.
| A．where | B．what |
| C．when | D．why |
The seaside here draws a lot of tourists every summer. Warm sunshine and soft sands make __________ it is.
| A．what | B．which |
| C．how | D．where |