1.You_________only half the price,how would the seller sell the jacket for you?offered,为什么不能用paid?)
2.---I'm going to the post office.
----__________you are there,can you get me some stamps?(答案是B,为什么不能是A?)
3.----I'm sorry I forget to post the letter for you.
------__________
A.What a shame!
B.That's all right.
(答案是A,为什么不是B?B不是没关系的意思吗?)
A.As B.While C.Because