Many people would have died of______if they had b

If they had taken my advice, they _______ .A、had wonB、could wonC、should winD、could have

If there __________ no air, people would die.A、wereB、isC、beD、been

They have ______ many horrible crimes against the people.A．doneB．madeC．committedD．had

Not until the game had begun______at the sports guound.A．had they arrivedB．would they have

I ____ if I had had your address.A: would have visitedB: would visitC: visitedD: will v

People traveling long distances frequently have to decide if 【M1】______ they would prefer