Experts think that ____recently discovered painting may be _____ Picasso.（）
| A． | the.不填 | B． | a;the | C． | a;不填 | D． | the;a |
If the new arrangement doesn’t _____, we’ll go back to the old one.
| A．work over | B．work out |
| C．work up | D．work in |
Only when your identity has been checked, ________.
| A．you are allowed in | B．you will be allowed in | C．will you allow in | D．will you be allowed in |
“Have great changes taken place in your village?” “Yes, A new school was ______ in the village last year.”
| A．held up | B．set up |
| C．sent up | D．brought up |
The woman sold the eggs ________ seven dollars and they were sold ________ half price.
| A．with, at | B．for, at |
| C．at, in | D．by, on |
I’ve kept up a friendship with a girl whom I was at school ________ twenty years ago.
| A．till | B．with |
| C．about | D．since |