I know the teacher ________ Mary when he spoke of a bright girl.
| A．referred to | B．had referred to | C．was referring to | D．refers to |
In our childhood, we were often _______ by Grandma to pay attention to our table manners.
| A．demanded | B．reminded | C．allowed | D．hoped |
They _______ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far.
| A．had been working; are still working | B．had worked; were still working |
| C．have been working; have worked | D．have worked; are still working |
David has won the first prize in singing; he is still very excited now and feels________ desire to go to bed.
| A．the most | B．more | C．worse | D．the least |
________ in the mountains for a week, the two students were finally saved by the local police
| A．Having lost | B．Lost | C．Being lost | D．Losing |
---- Is Bob still performing?
---- I'm afraid not. He is said________ the stage already as he has become an official.
| A．to have left | B．to leave | C．to have been left | D．to be left |