—It’s only ten minutes’ walk; I could have got there on foot.
— Yes. A taxi _______ not at all necessary.
| A．was | B．had been | C．has been | D．is |
Knowing her son was out of danger, the mother sighed _________ relief.
| A．in | B．over | C．about | D．on |
The building was completely _________ by fire.
| A．destroyed | B．injured | C．hurt | D．damaged |
—Why are they _________ the forest?
—They are _________ some criminals.
| A．searching ； searching |
| B．searching for；searching |
| C．searching；searching for |
| D．searching for；searching for |
He had his camera ready _________ he saw some-thing that would make a good picture.
| A．even if | B．if only | C．in case | D．so that |
We mustn't do anything that _________ the interests of the people.
| A．goes by | B．goes against | C．goes with | D．goes on |