Mary is the youngest ___ the three girl.
| A．in |
| B．than |
| C．of |
| D．at |
You _____ him the news; he knew it already.
| A．needn’t tell | B．needn’t have told |
| C．mightn’t tell | D．mightn’t have told |
You _____ practise the drums while the baby is sleeping.
| A．needn’t | B．mightn’t |
| C．mustn’t | D．won’t |
The police still haven’t found her, but they’re doing all they _____.
| A．may | B．can |
| C．must | D．will |
That car nearly hit me; I ______.
| A．might be killed | B．might have been killed |
| C．may be killed | D．may been killed |
“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”
| A．must be | B．must have been |
| C．might be | D．can have been |