【3个初二英语时态填空】很简单的!急~一时忘了句型啊!
The Zhalong Nature Reserve was ____ (put) on the list of the world's important wetlands.
I have ___ (see) this film before.
John has ____ (finish) his homework before ____ (go) to bed.
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很严重地.忘记了是have do 还是 to do.