The reason for his success is ___________he worked very hard.
| A．why | B．that | C．whether | D．because |
1. He will never __________ though every means __________ tried already.
| A．lose heart; has been |
| B．lose heart; have been |
| C．lose his heart; was |
| D．lose his heart; had |
(2012·湖南) Everyone in the village is very friendly. It doesn't matter __________ you have lived there for a short or a long time.
| A．why |
| B．how |
| C．whether |
| D．when |
New technologies have made __________ possible to turn out new products faster and at a lower cost.
| A．that |
| B．this |
| C．one |
| D．it |
Film has a much shorter history, especially when __________ such art forms as music and painting.
| A．having compared to |
| B．comparing to |
| C．compare to |
| D．compared to |
Could I speak to __________ is in charge of International Sales please?
| A．who |
| B．what |
| C．whoever |
| D．whatever |