This is John’s photo. We miss him very much. He ________ trying to save a girl in the earthquake.
| A．is killed | B．was killed |
| C．has been killed | D．had been killed |
Tom ______to paint the fence but he got his friends to do it for him.
| A．supposed | B．was supposing |
| C．had supposed | D．was supposed |
Some of us remain________at our computer for hours every day，forgetting moving our body.
| A．seating | B．seated | C．sat | D．sit |
The tanker，which was full of petrol，________and gave off heavy and dark flames the moment a truck knocked into it.
| A．blew up | B．put up | C．turned up | D．brought up |
She drove so fast at the turn that the car almost went ___ the road.
| A．on | B．along | C．from | D．off |
We believe ________ we can find out the wonder drugs to H7N9 bird flu.
| A．when | B．whether | C．what | D．that |