Every means , but none proved .
| A．have tried; a success | B．have been tried; successful |
| C．has tried; to be successful | D．has been tried; successful |
_____ their hats into the air, the fans of the winning team let out loud shouts of victory.
| A． To throw | B．Thrown | C．Throwing | D．Being thrown |
No decision____ about any future appointment until all the candidates have been interviewed.
| A． will be made | B．is made | C．is being made | D．has been made |
The companies are working together to creat ______ they hope will be the best means of transport in the 21st century.
| A． which | B．that | C．what | D．who |
I will give you my friend’s home address, _____I can be reached most evenings.
| A． Which | B．when | C．whom | D．where |
It was in New Zealand _____I was born _____Elizabeth first met Mr. Smith.
| A． that , that | B．which , which | C．where , that | D．that, which |