It’s ____ unusual chance for Mr White to get such ______ useful advice.
| A．an; / | B．a; an |
| C．a; the | D．an; an |
I was just talking to Margaret when Jackson ___.
| A．cut in | B．cut down | C．cut out | D．cut up |
Could you please translate this material _____ Spanish？
A. in B. with C. into C. on
I couldn’t ____. The line was busy.
| A．go by | B．go ground | C．get in | D．get through |
The conference has been held to discuss the effect of tourism(旅游业) ___ the wildlife in the area.
| A．in | B．on | C．at | D．with |
Sandra was a student ____ the age of 21.
| A．at | B．in | C．on | D．for |