To succeed in a difficult task ,______________.
| A．Persistence is needed | B．Persistence is what you need |
| C．One needs to be persistent | D．A persistent nature is needed |
In spite of his ________ to be a scholar in that field, he is not well equipped with that talent.
| A．potential | B．competence |
| C．ambition | D．character |
One reason ______ Billy Crystal is popular with all age groups is _______ he is quick thinking and has the ability to amuse the audience.
| A．that, that | B．why, because |
| C．why, why | D．why, that |
The audience _______ as they waited for the comedian to come on the stage.
| A．fell silence | B．fell silent |
| C．fall silently | D．feel silent |
We wanted to purchase the house, but couldn’t ________ the money.
| A．come down with | B．come up with |
| C．bring out | D．bring in |
Without permission, no one ______ let out the news.
| A．shall | B．should |
| C．is supposed to | D．is allowed |