The manager told us that _______ careful we are, ________ mistakes we’ll make.
| A．the most; the fewest | B．more; fewer |
| C．the many; the few | D．the more; the fewer |
— Why! I _____ get you on the phone.
— We ______ basketball on the playground when you phoned.
| A．didn't; must be playing |
| B．couldn't; must be playing |
| C．couldn't; must have played |
| D．didn't; must have been playing |
Often, when he ______ something that ______ him, he wasted his time drawing some little pictures.
| A．should be doing; gave |
| B．should have been doing; was given |
| C．should do; was given |
| D．should have been doing; had given |
Whatever your parents______ you 一there is real Santa Claus. And I should know, because I’ve seen him myself !
| A．may tell | B．could tell | C．may have told | D．must have told |
一Could you tell me what happed last night ?
一I can't go into detail now because it _______ take too long.
| A．would | B．should | C．might | D．could |
— Mummy, I have broken my train.
一I told you so. You _______ on it.
| A．mustn't have ridden | B．couldn't ride |
| C．shouldn't have ridden | D．needn't ride |