党的十八届三中全会审议通过了《中 * * 关于全面深化        若干重大问题的决定》，全会公报强调了“市场在资源配置中起     作用”。

A．改革基础性

B．改革开放决定性

C．改革决定性

D．改革开放基础性

根据句意和汉语提示，填写恰当的短语完成下列句子。

1. She is the __________(主唱) in the concert.

2. We humans are hoping to live on the moon __________(有朝一日).

3. He __________(离开) yesterday. He has gone to Shanghai.

4. We have lived in the countryside ___________(在过去的几年里).

5. We went to the airport to ___________(与……告别) Mr Green.

6. ___________(一半的) the students have been to the museum.