_________ to sunlight for too much time will do harm to one’s skin.
| A．Exposed | B．Having exposed | C．Being exposed | D．After being exposed |
—Bob has gone to Califonia.
—Oh, can you tell me when he ?
| A．has left | B．left | C．is leaving | D．would leave |
The shocking news made me realizeterrible problems we would face.
| A．what | B．how | C．that | D．why |
Maybe if I sicence, and not literature then, I would be able to give you more help.
| A．studied | B．would study | C．had studied | D．was studying |
volleyball is her main focus, she’s also great at basketball.
| A．Since | B．Once | C．Unless | D．While |
—Where are the children? The dinner’s going to be complerely ruined.
—I wish they always late.
| A．weren’t | B．hadn’t been | C．wouldn’t be | D．wouldn’t have been |