题目内容：

根据所给提示，完成句子。每空一词，含缩略词。

1.Li Lin used to wear glasses. (改为否定句)

Li Lin ________ ________ to wear glasses.

2.Macao has been back to the motherland since 1999. (对划线部分提问)

________ ________ has Macao been back to the motherland?

3.I haven’t decided when I will leave for Chongqing. (改为同义句)

I haven’t decided ________ ________ leave for Chongqing.

4.在过去的几年里，我们学校发生了很大的变化。(完成译句)

Great changes have ________ ________ in our school in the past few years.

5.这个篮球一定是汤姆的，因为他喜欢打篮球。(完成译句)

The basketball must ________ ________ Tom, because he loves playing it.