21． More than one high official_____by the police since the mayor war shot dead.
| A．has been questioned | B．have been questioned |
| C．was questioned | D．were questioned |
_____ you didn’t know the rules won’t be an excuse for your failure to report.
| A．That | B．What | C．Because | D．How |
— Did a letter come for me this morning?
— Yes. _____ came for you.
| A．That | B．It | C．One | D．The letter |
— I really don’t know how to thank you enough.
— ________________.
| A．No problem | B．Think nothing of it | C．Not at all | D．It doesn’t matter |
The little girl sat at the door with her legs ___ and kept her eyes ___at the planes flying in the sky.
| A．crossed; looking | B．crossing; looking | C．crossed; looked | D．crossing; looked |
— David, your application for a loan has _____.
—Thank goodness! I badly need it now.
| A．gone through | B．pulled through | C．gone over | D．signed over |