Soon all the people at the meeting_____ on the discussion of developing the
local education.
| A．collected | B．concentrated | C．agreed | D．concerned |
—Why do you eat so little?
—I’m _______ a diet to reduce some weight.
| A．in | B．on | C．with | D．under |
Some policemen should be sent to _______ them _______ the animals.
| A．prevent; to kill | B．stop; killing |
| C．keep; to kill | D．keep; killing |
After going into the concert hall, Tom _________ a friend and went over to greet her.
| A．searched | B．stared | C．spotted | D．admired |
—What do you think of the play?
—Terrible! I’ve never seen _________ one.
| A．a worse | B．a bad | C．a better | D．the worst |
Between 4.5 and 3.8 billion years ago, the earth became so ______ that it was not clear whether the shape would last or not.
| A．genuine | B．slight | C．solid | D．violent |