Many of them turned a deaf ear to his advice, ________ they knew it to be valuable.
| A．as if | B．now that | C．even though | D．so that |
"They didn’t take measures in time, otherwise the explosions ____．"some experts said．
| A．wouldn’t happen | B．didn’t happen |
| C．wouldn’t have happened | D．mustn’t have happened |
Please don’t make so loud noise．The news of the volcanic eruption in Indonesia ____and I want to listen．
| A．is broadcast | B．is being broadcast |
| C．has been broadcast | D．had been broadcast |
The doctor’s treatment has worked marvels: the patient has completely．
| A．repeated | B．returned | C．recovered | D．reminded |
—You ought to have made an apology to Tom yesterday evening．
—Yes, I know I ____．
| A．ought to have | B．have to | C．should | D．must have |
The government officials met the workers and engineers working on the stadium, most____ were migrant workers．
| A．of which | B．of who | C．of whom | D．of them |