根据括号内的汉语完成句子。答案书写在答题卡卷Ⅱ各小题规定的位置。
1. I often clean my room by ______（我自己）on weekends.
2. China has launched Shenzhou-14 into ______（太空）recently.
3. How can we ______（避免）being infected by COVID-19?
4. Take a ______（深深的）breath, and you will feel relaxed.
5. Remember to turn off the lights when you ______ (离开) the classroom.