根据下列句子的意思及所给的汉语提示, 写出空缺处单词、固定短语或固定搭配的正确形式。

1. This is the _______ (双胞胎) room. Yours is over there.

2. She _______ (表达) her thanks to us when we met.

3. Do you mind              (准备) supper? I'm too busy to do it.

4. Don't _______ (生气的) with me! It's not my fault.

5. Speak as _______ (有礼貌地) as you can to the old people and try not to be rude.

在实际工作中，通常采用（）、（）、（）等方法，以求得各个地区沙丘移动的速度。