Помогите плиз, тут выбрать варианты ответа What will our planet look…

Помогите плиз, тут выбрать варианты ответа What will our planet look like if we ________our nature? A didn't protect B won't protect C don't protectWhat would we have done if his father _______rich? A wasn't B hadn't been C hasn't beenIf I _____you, I would apologize first.A were B am C beIf he ______the coffee, it would be sweeter.A had stirred B have stirred C stirredIf we had enough petrol, we______there before night.A got B get C will get D would get If the doctor didn't operate on him ,he________.A would die B will die C would have diedIf it_____not so foggy, we should reach the station on time.A is B were C wasWhat would have happened if Ralf______his head? A lost B has lost C had lostI shall easily repair the fence if I ______a hammer.A will have B have C had I______you if you didn't write letters.A will miss B miss C would miss