题文
Some insects __________ the colour of their surroundings to protect themselves.
| A.take in |
| B.take off |
| C.take on |
| D.take out |
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Some insects __________ the colour of their surroundings to protect themselves.
| A.take in |
| B.take off |
| C.take on |
| D.take out |
试题篮
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