He is_______to be in London this year.
| A．likely |
| B．possible |
| C．Probable |
| D．Necessary |
—Why didn’t Susan come to school?
—I don’t know. She____ ill.
| A．could be | B．may have been | C．might | D．must have been |
In front of the gate of the park ____ like an umbrella covering the entrance.
| A．an old pine tree stood | B．an old pine tree did stand |
| C．did an old pine tree stand | D．stood an old pine tree |
People’s attitudes towards gift giving may from country to country.
| A．adapt | B．shift | C．cover | D．vary |
The astronaut did many experiments in the spaceship, great help for knowing more about space.
| A．which we think it is | B．which we think is of |
| C．of which we think is | D．we think which is of |
It has been proved by the fact that watching violence on TV may cause children’s _____ behavior.
| A．informal | B．impressive | C．aggressive | D．normal |