Present progressive
初中 Junior High现在进行时
🧩 词语组成解析
🗣️ 情景例句
Morning, Grandpa.
早安， 爷爷。
Who is going take your place?
谁代替你的位置？
When we talk about the universe, we mean the earth, the sun, the moon and the stars, and the space between them.
人们谈论宇宙时，是指地球、太阳、月亮、星星以及它们存在的空间。