David, you _____play with the valuable bottle; you_______ break it.
| A．won’t; can’t | B．mustn’t; may |
| C．shouldn’t; must | D．can’t; shouldn’t |
Each misfortune you come across will carry in the seed of tomorrow's good luck. So hang on until you succeed.
| A．one | B．some | C．that | D．it |
_____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 |