It was said that no one was ever bored _______ him perform; his subtle acting made everything _______.
| A．watching; entertaining | B．to watch; to entertain |
| C．watching; entertained | D．to watch; entertaining |
For those of you who ________ a few very popular articles that came out last week, check out this mail.
| A．may miss | B．must have missed |
| C．may have missed | D．would have missed |
Time ________ heal a broken heart. After five years, Steve seems to have got over the sorrow of losing his son.
| A．should | B．would |
| C．shall | D．can |
—David is often absent from class.
—Tell him he ________ answer for it if he goes on behaving like that.
| A．shall | B．might |
| C．would | D．can |
A hot balloon blew up in Egypt. There ________ something wrong with the quality of it.
| A．may have been | B．must be |
| C．need have been | D．might be |
There was something wrong with the network, or the email ________ earlier.
| A．could have been sent | B．might be sent |
| C．need have been sent | D．must be sent |