________is no possibility________she can finish the task in two hours.
| A．There; that | B．It; that |
| C．There; whether | D．It; whether |
It hasn’t been ______ that food from cloned animals is really safe for humans to eat.
| A．confirmed | B．considered |
| C．turned out | D．proved |
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 |
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 |
_______ the costume and ________ in the wing, the comedian moved his lips as if repeating the lines.
| A．Dressed in, waiting | B．Dressing in, waiting |
| C．Putting on, wait | D．Having on, be waiting |
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 |