Mr．Barret doesn’t think that all bad language should be allowed．In his opinion, there are _____ that should be kept up．
| A．degrees | B．levels | C．limits | D．standards |
___Mr. Smith is calling on the phone, sir.
| A．The | B．A | C．One | D．An |
Licoln said that ___ living must finish the work of those dead.
| A．the | B．every | C．a | D．all |
You must take the medicine three times ___ day.
| A．the | B．one | C．every | D．a |
My uncle is still ___.
| A．on the holiday | B．on holiday | C．on a boliday | D．on holidays |
The teaher told his student ___ any noise in class.
| A．to not make | B．not to make | C．to make | D．not making |