—It’s dangerous to walk across the street carelessly.
—You’re right. We can’t be _________ careful while crossing the street.
| A．so | B．very | C．too | D．more |
—Have you _________ the invitation of Lily’s birthday party?
—Yes, but I won’t _________ it. I don’t have any time on that day.
| A．accepted; receive | B．accepted; accept |
| C．rreceived; receive | D．received; accept |
— Must I finish the work now?
—No, you __________. You __________ do it this evening.
| A．mustn’t; can | B．needn’t; may |
| C．can’t; must | D．needn’t; must |
—What do you think of your presents for Mother’s Day?
—Well, _________ this sweater that one fits her. They are too big.
| A．both; and | B．either; or |
| C．neither; nor | D．not only; but also |
Many great people ever failed, however, they never________ their dreams and managed to succeed.
| A．showed off | B．stayed up |
| C．gave up | D．lost heart |