.---I’m sorry, but there’s no smoking room in this section on the train.
---Oh, I _____ that, and I won’t smoke again.
| A．don’t know | B．won’t know | C．didn’t know | D．haven’t known |
― Daddy，how do you like it if I buy a wallet for my mummy’s birthday?
― ______
| A．It couldn’t be better. | B．I don’t like it. |
| C．It’s too expensive. | D．Don’t trouble. |
SEOUL - Samsung Electronics, the world’s largest smartphone maker, said Thursday that it has sold more than 10 million units of Galaxy S4, in ______ a month since its debut (首次亮相).
| A．less than | B．more than |
| C．other than | D．rather than |
— That’s the third time he’s won the award in this field.
— Yes. He ______ his maximum potential in the past decade.
| A．explored | B．is exploring |
| C．has been exploring | D．has explored |
Nuclear ______ be really dangerous at times even though it’s a nice energy in general.
| A．shall | B．should | C．can | D．must |
I think the boss, rather than the workers, ______ to blame for the fire that caused so many deaths last week.
| A．are | B．was | C．were | D．to be |