I. 词汇知识:
A) 根据句意补全句中所缺单词:
1. O______ the window and let in some fresh air.
2. It’s s____ today. The sun is shining brightly and the sky is blue.
3. The t____ was bad when I was on my way to work, so I was late.
4. Mid-autumn Day is usually is S_____ or October.