The sky b____dark and the wind b______stronger首字母填空

The sky b____dark and the wind b______stronger首字母填空
The sky b____dark and the wind b______stronger
首字母填空

The sky b____dark and the wind b______stronger首字母填空
不知道该句子的时态是什么,所以用一般现在时：
The sky becomes dark and the wind becomes stronger

became;blew