79. what would you do if you... 如果你……，你会怎么做。
◆ 疯狂操练
what would you do if you were in his place?
（如果你处在他的位置，你会怎么做？）
◆ 疯狂实战
a: what would you do if you won the lottery?
b: i’d travel around the world with my friends. first class, of course!
a: 如果你中奖了，你会做什么？
b: 我会跟朋友们一起周游世界。当然，我还要坐头等舱！
