求几道英语单选题的答案

求几道英语单选题的答案1 The heavy snowstorm in early September 2007 reached as much as 1.5 meters in some places,_______hundreds of flight delays.A.having caused B.caused2 Which share is intended_____me?you can take ____half.They are exactly the same.A.for;any B to;any C to;either D for;either 3 The expected results ____he had worked hard seemed horeless to him.A after which B for which C with which D at which