–Did Li Hua’s parents leave her any money?
--- No. She has to support _______by selling newspapers.
| A．on her own | B．by herself | C．alone | D．herself |
The lady who had invited us heard me telling my wife that the dinner was terrible so I was _____.
| A．confused | B．nervous | C．shameful | D．embarrassed |
Air and the sun's rays create much distortion, and whatever tends to _____ their influence is useful to the astronomer.
| A．exclude | B．eliminate | C．extinguish | D．impose |
The filling station _____ because there were too many others on the street.
| A．fell through | B．went under | C．fell out | D．went through |
His job at the hospital did not pay much, so he found another _____.
| A．on the rise | B．on the spot | C．on the decline | D．on the side |
At first Bob was puzzled by Virginia s waving, but then it _____ his mind that she was trying to tell him something.
| A．crossed | B．passed | C．occurred | D．opened |