12.--I ____ becoming an astronaut (宇航员) when I was at school.
-- Really? Do you still think it will ____ ?
| A．was dreaming of…come true | B．was dreaming…come true |
| C．was dreaming of…come truth | D．was dreaming…come truth |
—What did the teacher say just now?
—He said that the earth __________ around the sun.
| A．moves |
| B．will move |
| C．is moving |
| D．moved |
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 |