If the firms failed to make enough money , they would .A.close down B.call off C
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If the firms failed to make enough money , they would .
| A.close down | B.call off | C.turn down | D.set off |
试题答案
A

If the firms failed to make enough money , they would .
| A.close down | B.call off | C.turn down | D.set off |
A