He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
Nobody but a few little boys __________ in the garden now.
| A．are playing |
| B．play |
| C．plays |
| D．is playing |
Would you please keep silent? The news that the milk contains a harmful chemical __________ and I want to listen.
| A．has been broadcast |
| B．is being broadcast |
| C．is broadcast |
| D．is broadcasting |
les __________ before the guests arrive.
| A．be set |
| B．set |
| C．are set |
| D．are setting |
The __________ look on his face showed that he had enough confidence in himself.
| A．surprised |
| B．puzzled |
| C．excited |
| D．determined |
From his __________ expression (表情), we know the meeting is __________.
| A．bored; bored |
| B．boring; boring |
| C．bored; boring |
| D．boring; bored |