试题题干
Fill in the blanks with the words given in brackets. Make changes or add something where necessary．
I 
(want) to call you but my phone broke down.
参考答案
试题解析
本题考查的是时态。句中两个动作，“想给你打电话”和“手机坏掉”，“想打电话”发生在“发现手机坏了”之前，broke down是一般过去，所以“想打电话”是过去的过去，所以是过去完成时。