23. The forest fire caused by the vocano is difficult to be____.
举一反三
- The firemen have put out a forest fire. The firemen did that at last. The fire was big. The fire broke out in California. A: Finally the firemen have put out a big forest fire in California. B: At last the firemen put out a big forest fire in California. C: At last the firemen have put out a big forest fire in California. D: The firemen have put out a big forest fire in California at least.
- Forest fires can be caused by______.
- According to this passage, in order to prevent forest fire, _______.
- Police and villigers unanimously ________the forest fire to thunder and lighting.
- A ______ refers to an injury caused by heat, fire or radiation, etc.