用单词的正确形式填空

1. He happened            __  __(help) an old woman on his way home.

2. I have forgotten____(return) his money, so he didn't receive.

3. I spent about half an hour in____(write) yesterday's diary.

4. She was very busy, so I let her____(go) back first.

5. At least we can afford         ____(buy) an electric bike.

6. I had something to ask him, but he avoided___    ( answer) my question.

城市新区开发和旧区改建必须坚持的原则是( )。

A．统一规划、合理布局、统筹兼顾、协调开发、配套完善

B．统一规划；综合开发、兼顾各方、设施完善、合理布局

C．统一规划、合理布局、统筹兼顾、相互协调、配套齐全

D．统一规划、合理布局、因地制宜、综合开发、配套建设