---Do you know how this disabled man succeeded in running such a big company?
--- I don’t know , but I think he __________ many difficulties.
| A．could have gone through | B．must have gone through |
| C．might go through | D．need go through |
— Anything wrong, sir?
— Yes. It’s one hundred dollars for speeding and driving after drinking. You ______fool me with that smell in your breath．
| A．shouldn’t | B．mustn’t | C．can’t | D．needn’t |
— Should people stop using their cars and start using public transport?
— __________. The roads are too crowded as it is.
| A．All right | B．Exactly | C．Go ahead | D．Really |
When the spaceship traveled above, __________ new-looking earth appeared before us, ______ earth that we had never seen before.
| A．a; an | B．the; an | C．/; the | D．a; the |
— What can I do for you?
— This dress is too small. Is it _____________ in a larger size?
| A．convenient | B．available | C．accessible | D．comfortable |
He is only too ready to help others, seldom____, refusing them when they turn to him. 
| A．if never | B．if ever | C．if not | D．if any |