1. 你去商店買一把吉他，想詢問售貨員它的價格，你應該說： 
    "Excuse me, ____________________________________________"
2. 你想知道筆友湯姆的興趣愛好是什么，你應該說： 
   " ____________________________________________, Tom?"
3. 你的同學邀請你去參加一個晚會，你很想去，但是沒有時間，你應該說： 
   "____________________________________________"
4. 你想告訴父母你長大后要當一個工程師，你應該說： 
  "____________________________________________ when I grow up."

A. How's the weather like in summer in Hainan?
B. What's the weather like in Hainan in summer?
C. What's the weather in Hainan in summer?