根据所给中文意思完成句子,每空限填一词.
很高兴收到你的来信.
It's great to you.
People around the world can hardly (避免) buying products made in China.
I often see an old man with (灰色)hair sweeping the road near my school.
Traditional Chinese (药)has been playing an important role in treating COVID﹣19.
Mike often (收集)stamps and plays basketball in his spare time.
The big tree over there is probably one (百)years old.