I ________ use a clock to wake meup because at six o’clock each morning the train comes by my house.
| A．couldn’t |
| B．mustn’t |
| C．shouldn’t |
| D．needn’t |
If you have a job, ______ yourself to it and finally you will succeed.
| A．do devote | B．don’t devote | C．be devoting | D．to devote |
If I find someone who looks like the suspect, my _______ reaction will be to tell the police.
| A．genuine | B．sensitive | C．immediate | D．independent |
They produced four reports, _______ of which contained any useful suggestions.
| A．either | B．all | C．none | D．neither |
—Would you please keep silent? The weather report ______ and I want to listen.
| A．is broadcast | B．has been broadcast |
| C．was broadcast | D．is being broadcast |
I can’t thank you _____ much for your kindness because without your help I wouldn’t have won the big prize in the speech contest.
| A．very | B．too | C．so | D．ever |