Lucy: How about making 1 ……… apple pie? Alan: Great idea! Do we have any apples? Lucy: Yes, there are 2 ……… in the bowl. How 3 ……… do we need? Alan: A lot. Alan: And how 4 ………… eggs do we need? Sue: Four. And we also need 5 ………… butter and sugar. Oh, we haven’t got 6 ………… butter.   Which is t he best choice for t he blank .......(1).......?