Some robots are ______ to do the same things ______ people.
| A．enough smart, as | B．enough smart, with |
| C．smart enough, as | D．smart enough, for |
--Must we stay in the classroom and finish all the homework?
--No, you______. You can take it home.
| A．needn’t | B．may not | C．mustn’t | D．can’t |
Children are often warned ______ with fire.
| A．not to play | B．to play | C．don’t play | D．doesn’t play |
By yesterday, the plane ______out of view for more than a month.
| A．is | B．has been | C．was | D．had been |
Have sports training every day, ______you won’t be healthy in the future.
| A．because | B．or | C．unless | D．since |
I have got two tickets ______ tomorrow’s evening show. Would you like to come with me?
| A．in | B．by | C．from | D．for |