They want to make _____ clear to the public that they are doing an important and necessary job.
| A．that | B．this | C．it | D．one |
—I say, Harry. What did you say to the laid-off worker just now?
—Nothing. I ____ to myself.
| A．had only talked | B．am only talking |
| C．have just talked | D．was just talking |
I think you’ve got to the point_____a change is needed , otherwise you’ll fail .
| A．when | B．which | C．where | D．there |
I’d appreciate______if you would turn the radio down .
| A．that | B．it | C．this | D．you |
All of the flowers now raised here have developed from those _______ in the forest.
| A．once they grew | B．they grew once | C．they once grew | D．once grew |
When he was working there he caught a serious illness from _____ efforts he still suffers.
| A．which | B．that | C．whose | D．what |