MANY PLANTS IN FOREST COULD BE USED TO AS MEDICINES _____________...

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Many plants in forest could be used to as medicines _________________ cancer, them.AIDS and heart diseases.b. If the farmer grew vegetables and grain, he couldn’t earn much money from them.a. off b. for c. about d. againstc. If the farmer didn’t grow vegetables and grain, he could earn much money from them. d. Unless the farmer grows vegetables and grain, he can’t earn much money from them.