The factory produces half a million pairs of shoes every year,80%________ are sold abroad.
| A．of them | B．which of | C．of which | D．of that |
After Queen Elizabeth officially opened the 2012 Summer Olympics, London became the first city ________ three Olympic Games in history.
| A．to have hosted | B．hosting |
| C．hosted | D．having hosted |
TV programmes, ________ to combine learning with fun together, are growing in popularity all over the world.
| A．designing | B．to be designed |
| C．designed | D．having designed |
Without thinking, he ran out, ________ at a stranger to call the fire police.
| A．shouted | B．having shouted |
| C．to shout | D．shouting |
We often provide our children with toys, footballs or basketballs, ________ that all children like these things.
| A．thinking | B．think |
| C．to think | D．thought |
The news reporters hurried to the airport, only ________ that the film stars had left.
| A．informing | B．to be informed |
| C．to inform | D．informed |