When she was doing the cleaning yesterday, Mum found the ring that she _____ years ago.
| A．loses | B．has lost | C．lost | D．had lost |
_____sufficient historical and legal grounds, China's position on the South China Sea has been consistent and clear.
| A．Associated with | B．Based on |
| C．Centered around | D．Assessed by |
--Kim, give me your report by 1O am.
--__ have you been in charge of this project?
| A．Since when | B．By whom |
| C．For what | D．From where |
—Do you know the newly appointed CEO?
--__________.
| A．I’ll check it |
| B．Only that there is one |
| C．More often than not |
| D．It will come to me |
Mr. Smith let off upon me the speech he_______ to make all along.
| A．had died | B．died |
| C．was dying | D．had been dying |
My voice was so little and the shop owner had to bend down to hear_______ I wanted to buy.
| A．what it was | B．it was what |
| C．what it was that | D．what was that |