1) What do people eat? a) air b) plants c) clothes 2) What gives us oxygen? a) people b) animals c) plants 3) What do animals eat? a) plants b) people c) water 4) What can we make out of plants? a) oxygen b) ball c) house 5) What will happen if there's no plant? a) live b) die c) sleep

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恢復自動保存: ?