一道英语问题OnedayBettysaidtoherbrother,“Therewere13birdsinatree.Ahuntercamebyandshotoneofthem.Howmanywereleftthetree?”“Twelve,”answeredTomatonce.“Thinkagain,Tom.Thinkalittlebeforeyouspeak.”“Why,i

Question

一道英语问题
One day Betty said to her brother,“There were 13 birds in a tree.A hunter came by and shot one of them.How many were left the tree?”
“Twelve,”answered Tom at once.
“Think again,Tom.Think a little before you speak.”
“Why,isn't thirteen minus one twelve?”
“No,you're not right.”
Why was Tom wrong?

Answer 1

Because all the birds flew away after hearing the shot:)